813979660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1847

約数の個数: 96

約数和(自身を含む): 1946327040

約数和(自身を除く): 1132347380

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 79, 92, 115, 130, 158, 230, 260, 299, 316, 395, 460, 598, 790, 1027, 1196, 1495, 1580, 1723, 1817, 2054, 2990, 3446, 3634, 4108, 5135, 5980, 6892, 7268, 8615, 9085, 10270, 17230, 18170, 20540, 22399, 23621, 34460, 36340, 39629, 44798, 47242, 79258, 89596, 94484, 111995, 118105, 136117, 158516, 198145, 223990, 236210, 272234, 396290, 447980, 472420, 515177, 544468, 680585, 792580, 1030354, 1361170, 1769521, 2060708, 2575885, 2722340, 3130691, 3539042, 5151770, 6261382, 7078084, 8847605, 10303540, 12522764, 15653455, 17695210, 31306910, 35390420, 40698983, 62613820, 81397966, 162795932, 203494915, 406989830, 813979660]

約数ペア:

[(1, 813979660), (2, 406989830), (4, 203494915), (5, 162795932), (10, 81397966), (13, 62613820), (20, 40698983), (23, 35390420), (26, 31306910), (46, 17695210), (52, 15653455), (65, 12522764), (79, 10303540), (92, 8847605), (115, 7078084), (130, 6261382), (158, 5151770), (230, 3539042), (260, 3130691), (299, 2722340), (316, 2575885), (395, 2060708), (460, 1769521), (598, 1361170), (790, 1030354), (1027, 792580), (1196, 680585), (1495, 544468), (1580, 515177), (1723, 472420), (1817, 447980), (2054, 396290), (2990, 272234), (3446, 236210), (3634, 223990), (4108, 198145), (5135, 158516), (5980, 136117), (6892, 118105), (7268, 111995), (8615, 94484), (9085, 89596), (10270, 79258), (17230, 47242), (18170, 44798), (20540, 39629), (22399, 36340), (23621, 34460)]