8138888800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:502

約数の個数: 288

約数和(自身を含む): 23662485504

約数和(自身を除く): 15523596704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 173, 175, 200, 217, 224, 248, 271, 280, 310, 346, 350, 400, 434, 496, 542, 560, 620, 692, 700, 775, 800, 865, 868, 992, 1084, 1085, 1120, 1211, 1240, 1355, 1384, 1400, 1550, 1730, 1736, 1897, 2168, 2170, 2422, 2480, 2710, 2768, 2800, 3100, 3460, 3472, 3794, 4325, 4336, 4340, 4844, 4960, 5363, 5420, 5425, 5536, 5600, 6055, 6200, 6775, 6920, 6944, 7588, 8401, 8650, 8672, 8680, 9485, 9688, 10726, 10840, 10850, 12110, 12400, 13550, 13840, 15176, 16802, 17300, 17360, 18970, 19376, 21452, 21680, 21700, 24220, 24800, 26815, 27100, 27680, 30275, 30352, 33604, 34600, 34720, 37541, 37940, 38752, 42005, 42904, 43360, 43400, 46883, 47425, 48440, 53630, 54200, 58807, 60550, 60704, 67208, 69200, 75082, 75880, 84010, 85808, 86800, 93766, 94850, 96880, 107260, 108400, 117614, 121100, 134075, 134416, 138400, 150164, 151760, 168020, 171616, 173600, 187532, 187705, 189700, 193760, 210025, 214520, 216800, 234415, 235228, 242200, 268150, 268832, 294035, 300328, 303520, 328181, 336040, 375064, 375410, 379400, 420050, 429040, 468830, 470456, 484400, 536300, 588070, 600656, 656362, 672080, 750128, 750820, 758800, 840100, 858080, 937660, 938525, 940912, 968800, 1072600, 1172075, 1176140, 1201312, 1312724, 1344160, 1453373, 1470175, 1500256, 1501640, 1517600, 1640905, 1680200, 1875320, 1877050, 1881824, 2145200, 2344150, 2352280, 2625448, 2906746, 2940350, 3003280, 3281810, 3360400, 3750640, 3754100, 4290400, 4688300, 4704560, 5250896, 5813492, 5880700, 6006560, 6563620, 6720800, 7266865, 7501280, 7508200, 8204525, 9376600, 9409120, 10173611, 10501792, 11626984, 11761400, 13127240, 14533730, 15016400, 16409050, 18753200, 20347222, 23253968, 23522800, 26254480, 29067460, 30032800, 32818100, 36334325, 37506400, 40694444, 46507936, 47045600, 50868055, 52508960, 58134920, 65636200, 72668650, 81388888, 101736110, 116269840, 131272400, 145337300, 162777776, 203472220, 232539680, 254340275, 262544800, 290674600, 325555552, 406944440, 508680550, 581349200, 813888880, 1017361100, 1162698400, 1627777760, 2034722200, 4069444400, 8138888800]

約数ペア:

[(1, 8138888800), (2, 4069444400), (4, 2034722200), (5, 1627777760), (7, 1162698400), (8, 1017361100), (10, 813888880), (14, 581349200), (16, 508680550), (20, 406944440), (25, 325555552), (28, 290674600), (31, 262544800), (32, 254340275), (35, 232539680), (40, 203472220), (50, 162777776), (56, 145337300), (62, 131272400), (70, 116269840), (80, 101736110), (100, 81388888), (112, 72668650), (124, 65636200), (140, 58134920), (155, 52508960), (160, 50868055), (173, 47045600), (175, 46507936), (200, 40694444), (217, 37506400), (224, 36334325), (248, 32818100), (271, 30032800), (280, 29067460), (310, 26254480), (346, 23522800), (350, 23253968), (400, 20347222), (434, 18753200), (496, 16409050), (542, 15016400), (560, 14533730), (620, 13127240), (692, 11761400), (700, 11626984), (775, 10501792), (800, 10173611), (865, 9409120), (868, 9376600), (992, 8204525), (1084, 7508200), (1085, 7501280), (1120, 7266865), (1211, 6720800), (1240, 6563620), (1355, 6006560), (1384, 5880700), (1400, 5813492), (1550, 5250896), (1730, 4704560), (1736, 4688300), (1897, 4290400), (2168, 3754100), (2170, 3750640), (2422, 3360400), (2480, 3281810), (2710, 3003280), (2768, 2940350), (2800, 2906746), (3100, 2625448), (3460, 2352280), (3472, 2344150), (3794, 2145200), (4325, 1881824), (4336, 1877050), (4340, 1875320), (4844, 1680200), (4960, 1640905), (5363, 1517600), (5420, 1501640), (5425, 1500256), (5536, 1470175), (5600, 1453373), (6055, 1344160), (6200, 1312724), (6775, 1201312), (6920, 1176140), (6944, 1172075), (7588, 1072600), (8401, 968800), (8650, 940912), (8672, 938525), (8680, 937660), (9485, 858080), (9688, 840100), (10726, 758800), (10840, 750820), (10850, 750128), (12110, 672080), (12400, 656362), (13550, 600656), (13840, 588070), (15176, 536300), (16802, 484400), (17300, 470456), (17360, 468830), (18970, 429040), (19376, 420050), (21452, 379400), (21680, 375410), (21700, 375064), (24220, 336040), (24800, 328181), (26815, 303520), (27100, 300328), (27680, 294035), (30275, 268832), (30352, 268150), (33604, 242200), (34600, 235228), (34720, 234415), (37541, 216800), (37940, 214520), (38752, 210025), (42005, 193760), (42904, 189700), (43360, 187705), (43400, 187532), (46883, 173600), (47425, 171616), (48440, 168020), (53630, 151760), (54200, 150164), (58807, 138400), (60550, 134416), (60704, 134075), (67208, 121100), (69200, 117614), (75082, 108400), (75880, 107260), (84010, 96880), (85808, 94850), (86800, 93766)]