989123200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 2777500800

約数和(自身を除く): 1788377600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 59, 62, 64, 65, 80, 100, 104, 118, 124, 128, 130, 155, 160, 169, 200, 208, 236, 248, 260, 295, 310, 320, 325, 338, 400, 403, 416, 472, 496, 520, 590, 620, 640, 650, 676, 767, 775, 800, 806, 832, 845, 944, 992, 1040, 1180, 1240, 1300, 1352, 1475, 1534, 1550, 1600, 1612, 1664, 1690, 1829, 1888, 1984, 2015, 2080, 2360, 2480, 2600, 2704, 2950, 3068, 3100, 3200, 3224, 3380, 3658, 3776, 3835, 3968, 4030, 4160, 4225, 4720, 4960, 5200, 5239, 5408, 5900, 6136, 6200, 6448, 6760, 7316, 7552, 7670, 8060, 8320, 8450, 9145, 9440, 9920, 9971, 10075, 10400, 10478, 10816, 11800, 12272, 12400, 12896, 13520, 14632, 15340, 16120, 16900, 18290, 18880, 19175, 19840, 19942, 20150, 20800, 20956, 21632, 23600, 23777, 24544, 24800, 25792, 26195, 27040, 29264, 30680, 32240, 33800, 36580, 37760, 38350, 39884, 40300, 41600, 41912, 45725, 47200, 47554, 49088, 49600, 49855, 51584, 52390, 54080, 58528, 61360, 64480, 67600, 73160, 76700, 79768, 80600, 83824, 91450, 94400, 95108, 98176, 99200, 99710, 104780, 108160, 117056, 118885, 122720, 128960, 130975, 135200, 146320, 153400, 159536, 161200, 167648, 182900, 188800, 190216, 199420, 209560, 234112, 237770, 245440, 249275, 257920, 261950, 270400, 292640, 306800, 309101, 319072, 322400, 335296, 365800, 380432, 398840, 419120, 475540, 490880, 498550, 523900, 540800, 585280, 594425, 613600, 618202, 638144, 644800, 670592, 731600, 760864, 797680, 838240, 951080, 997100, 1047800, 1170560, 1188850, 1227200, 1236404, 1276288, 1289600, 1463200, 1521728, 1545505, 1595360, 1676480, 1902160, 1994200, 2095600, 2377700, 2454400, 2472808, 2926400, 3043456, 3091010, 3190720, 3352960, 3804320, 3988400, 4191200, 4755400, 4945616, 5852800, 6182020, 6381440, 7608640, 7727525, 7976800, 8382400, 9510800, 9891232, 12364040, 15217280, 15455050, 15953600, 16764800, 19021600, 19782464, 24728080, 30910100, 31907200, 38043200, 39564928, 49456160, 61820200, 76086400, 98912320, 123640400, 197824640, 247280800, 494561600, 989123200]

約数ペア:

[(1, 989123200), (2, 494561600), (4, 247280800), (5, 197824640), (8, 123640400), (10, 98912320), (13, 76086400), (16, 61820200), (20, 49456160), (25, 39564928), (26, 38043200), (31, 31907200), (32, 30910100), (40, 24728080), (50, 19782464), (52, 19021600), (59, 16764800), (62, 15953600), (64, 15455050), (65, 15217280), (80, 12364040), (100, 9891232), (104, 9510800), (118, 8382400), (124, 7976800), (128, 7727525), (130, 7608640), (155, 6381440), (160, 6182020), (169, 5852800), (200, 4945616), (208, 4755400), (236, 4191200), (248, 3988400), (260, 3804320), (295, 3352960), (310, 3190720), (320, 3091010), (325, 3043456), (338, 2926400), (400, 2472808), (403, 2454400), (416, 2377700), (472, 2095600), (496, 1994200), (520, 1902160), (590, 1676480), (620, 1595360), (640, 1545505), (650, 1521728), (676, 1463200), (767, 1289600), (775, 1276288), (800, 1236404), (806, 1227200), (832, 1188850), (845, 1170560), (944, 1047800), (992, 997100), (1040, 951080), (1180, 838240), (1240, 797680), (1300, 760864), (1352, 731600), (1475, 670592), (1534, 644800), (1550, 638144), (1600, 618202), (1612, 613600), (1664, 594425), (1690, 585280), (1829, 540800), (1888, 523900), (1984, 498550), (2015, 490880), (2080, 475540), (2360, 419120), (2480, 398840), (2600, 380432), (2704, 365800), (2950, 335296), (3068, 322400), (3100, 319072), (3200, 309101), (3224, 306800), (3380, 292640), (3658, 270400), (3776, 261950), (3835, 257920), (3968, 249275), (4030, 245440), (4160, 237770), (4225, 234112), (4720, 209560), (4960, 199420), (5200, 190216), (5239, 188800), (5408, 182900), (5900, 167648), (6136, 161200), (6200, 159536), (6448, 153400), (6760, 146320), (7316, 135200), (7552, 130975), (7670, 128960), (8060, 122720), (8320, 118885), (8450, 117056), (9145, 108160), (9440, 104780), (9920, 99710), (9971, 99200), (10075, 98176), (10400, 95108), (10478, 94400), (10816, 91450), (11800, 83824), (12272, 80600), (12400, 79768), (12896, 76700), (13520, 73160), (14632, 67600), (15340, 64480), (16120, 61360), (16900, 58528), (18290, 54080), (18880, 52390), (19175, 51584), (19840, 49855), (19942, 49600), (20150, 49088), (20800, 47554), (20956, 47200), (21632, 45725), (23600, 41912), (23777, 41600), (24544, 40300), (24800, 39884), (25792, 38350), (26195, 37760), (27040, 36580), (29264, 33800), (30680, 32240)]