311993240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8219}}^1$

素因数の和:8316

約数の個数: 64

約数和(自身を含む): 766432800

約数和(自身を除く): 454439560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 7592, 8219, 9490, 16438, 18980, 32876, 37960, 41095, 65752, 82190, 106847, 164380, 213694, 328760, 427388, 534235, 599987, 854776, 1068470, 1199974, 2136940, 2399948, 2999935, 4273880, 4799896, 5999870, 7799831, 11999740, 15599662, 23999480, 31199324, 38999155, 62398648, 77998310, 155996620, 311993240]

約数ペア:

[(1, 311993240), (2, 155996620), (4, 77998310), (5, 62398648), (8, 38999155), (10, 31199324), (13, 23999480), (20, 15599662), (26, 11999740), (40, 7799831), (52, 5999870), (65, 4799896), (73, 4273880), (104, 2999935), (130, 2399948), (146, 2136940), (260, 1199974), (292, 1068470), (365, 854776), (520, 599987), (584, 534235), (730, 427388), (949, 328760), (1460, 213694), (1898, 164380), (2920, 106847), (3796, 82190), (4745, 65752), (7592, 41095), (8219, 37960), (9490, 32876), (16438, 18980)]