1386835840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 256

約数和(自身を含む): 3893299200

約数和(自身を除く): 2506463360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 260, 283, 304, 310, 320, 380, 403, 416, 494, 496, 520, 566, 589, 608, 620, 640, 760, 806, 832, 988, 992, 1040, 1132, 1178, 1216, 1235, 1240, 1415, 1520, 1612, 1664, 1976, 1984, 2015, 2080, 2264, 2356, 2432, 2470, 2480, 2830, 2945, 3040, 3224, 3679, 3952, 3968, 4030, 4160, 4528, 4712, 4940, 4960, 5377, 5660, 5890, 6080, 6448, 7358, 7657, 7904, 8060, 8320, 8773, 9056, 9424, 9880, 9920, 10754, 11320, 11780, 12160, 12896, 14716, 15314, 15808, 16120, 17546, 18112, 18395, 18848, 19760, 19840, 21508, 22640, 23560, 25792, 26885, 29432, 30628, 31616, 32240, 35092, 36224, 36790, 37696, 38285, 39520, 43016, 43865, 45280, 47120, 51584, 53770, 58864, 61256, 64480, 69901, 70184, 73580, 75392, 76570, 79040, 86032, 87730, 90560, 94240, 107540, 114049, 117728, 122512, 128960, 139802, 140368, 147160, 153140, 158080, 166687, 172064, 175460, 181120, 188480, 215080, 228098, 235456, 245024, 257920, 279604, 280736, 294320, 306280, 333374, 344128, 349505, 350920, 376960, 430160, 456196, 470912, 490048, 559208, 561472, 570245, 588640, 612560, 666748, 688256, 699010, 701840, 833435, 860320, 912392, 980096, 1118416, 1122944, 1140490, 1177280, 1225120, 1333496, 1398020, 1403680, 1666870, 1720640, 1824784, 2166931, 2236832, 2280980, 2354560, 2450240, 2666992, 2796040, 2807360, 3333740, 3441280, 3649568, 4333862, 4473664, 4561960, 4900480, 5333984, 5592080, 5614720, 6667480, 7299136, 8667724, 8947328, 9123920, 10667968, 10834655, 11184160, 13334960, 14598272, 17335448, 18247840, 21335936, 21669310, 22368320, 26669920, 34670896, 36495680, 43338620, 44736640, 53339840, 69341792, 72991360, 86677240, 106679680, 138683584, 173354480, 277367168, 346708960, 693417920, 1386835840]

約数ペア:

[(1, 1386835840), (2, 693417920), (4, 346708960), (5, 277367168), (8, 173354480), (10, 138683584), (13, 106679680), (16, 86677240), (19, 72991360), (20, 69341792), (26, 53339840), (31, 44736640), (32, 43338620), (38, 36495680), (40, 34670896), (52, 26669920), (62, 22368320), (64, 21669310), (65, 21335936), (76, 18247840), (80, 17335448), (95, 14598272), (104, 13334960), (124, 11184160), (128, 10834655), (130, 10667968), (152, 9123920), (155, 8947328), (160, 8667724), (190, 7299136), (208, 6667480), (247, 5614720), (248, 5592080), (260, 5333984), (283, 4900480), (304, 4561960), (310, 4473664), (320, 4333862), (380, 3649568), (403, 3441280), (416, 3333740), (494, 2807360), (496, 2796040), (520, 2666992), (566, 2450240), (589, 2354560), (608, 2280980), (620, 2236832), (640, 2166931), (760, 1824784), (806, 1720640), (832, 1666870), (988, 1403680), (992, 1398020), (1040, 1333496), (1132, 1225120), (1178, 1177280), (1216, 1140490), (1235, 1122944), (1240, 1118416), (1415, 980096), (1520, 912392), (1612, 860320), (1664, 833435), (1976, 701840), (1984, 699010), (2015, 688256), (2080, 666748), (2264, 612560), (2356, 588640), (2432, 570245), (2470, 561472), (2480, 559208), (2830, 490048), (2945, 470912), (3040, 456196), (3224, 430160), (3679, 376960), (3952, 350920), (3968, 349505), (4030, 344128), (4160, 333374), (4528, 306280), (4712, 294320), (4940, 280736), (4960, 279604), (5377, 257920), (5660, 245024), (5890, 235456), (6080, 228098), (6448, 215080), (7358, 188480), (7657, 181120), (7904, 175460), (8060, 172064), (8320, 166687), (8773, 158080), (9056, 153140), (9424, 147160), (9880, 140368), (9920, 139802), (10754, 128960), (11320, 122512), (11780, 117728), (12160, 114049), (12896, 107540), (14716, 94240), (15314, 90560), (15808, 87730), (16120, 86032), (17546, 79040), (18112, 76570), (18395, 75392), (18848, 73580), (19760, 70184), (19840, 69901), (21508, 64480), (22640, 61256), (23560, 58864), (25792, 53770), (26885, 51584), (29432, 47120), (30628, 45280), (31616, 43865), (32240, 43016), (35092, 39520), (36224, 38285), (36790, 37696)]