7798440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5026

約数の個数: 64

約数和(自身を含む): 25200000

約数和(自身を除く): 17401560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 4999, 9998, 14997, 19996, 24995, 29994, 39992, 49990, 59988, 64987, 74985, 99980, 119976, 129974, 149970, 194961, 199960, 259948, 299940, 324935, 389922, 519896, 599880, 649870, 779844, 974805, 1299740, 1559688, 1949610, 2599480, 3899220, 7798440]

約数ペア:

[(1, 7798440), (2, 3899220), (3, 2599480), (4, 1949610), (5, 1559688), (6, 1299740), (8, 974805), (10, 779844), (12, 649870), (13, 599880), (15, 519896), (20, 389922), (24, 324935), (26, 299940), (30, 259948), (39, 199960), (40, 194961), (52, 149970), (60, 129974), (65, 119976), (78, 99980), (104, 74985), (120, 64987), (130, 59988), (156, 49990), (195, 39992), (260, 29994), (312, 24995), (390, 19996), (520, 14997), (780, 9998), (1560, 4999)]