1390994800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8691

約数の個数: 120

約数和(自身を含む): 3715456640

約数和(自身を除く): 2324461840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 5200, 6200, 6448, 8060, 8629, 10075, 12400, 16120, 17258, 20150, 32240, 34516, 40300, 43145, 69032, 80600, 86290, 112177, 138064, 161200, 172580, 215725, 224354, 267499, 345160, 431450, 448708, 534998, 560885, 690320, 862900, 897416, 1069996, 1121770, 1337495, 1725800, 1794832, 2139992, 2243540, 2674990, 2804425, 3451600, 3477487, 4279984, 4487080, 5349980, 5608850, 6687475, 6954974, 8974160, 10699960, 11217700, 13374950, 13909948, 17387435, 21399920, 22435400, 26749900, 27819896, 34774870, 44870800, 53499800, 55639792, 69549740, 86937175, 106999600, 139099480, 173874350, 278198960, 347748700, 695497400, 1390994800]

約数ペア:

[(1, 1390994800), (2, 695497400), (4, 347748700), (5, 278198960), (8, 173874350), (10, 139099480), (13, 106999600), (16, 86937175), (20, 69549740), (25, 55639792), (26, 53499800), (31, 44870800), (40, 34774870), (50, 27819896), (52, 26749900), (62, 22435400), (65, 21399920), (80, 17387435), (100, 13909948), (104, 13374950), (124, 11217700), (130, 10699960), (155, 8974160), (200, 6954974), (208, 6687475), (248, 5608850), (260, 5349980), (310, 4487080), (325, 4279984), (400, 3477487), (403, 3451600), (496, 2804425), (520, 2674990), (620, 2243540), (650, 2139992), (775, 1794832), (806, 1725800), (1040, 1337495), (1240, 1121770), (1300, 1069996), (1550, 897416), (1612, 862900), (2015, 690320), (2480, 560885), (2600, 534998), (3100, 448708), (3224, 431450), (4030, 345160), (5200, 267499), (6200, 224354), (6448, 215725), (8060, 172580), (8629, 161200), (10075, 138064), (12400, 112177), (16120, 86290), (17258, 80600), (20150, 69032), (32240, 43145), (34516, 40300)]