90989080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3609

約数の個数: 96

約数和(自身を含む): 256541040

約数和(自身を除く): 165551960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3571, 3640, 5096, 6370, 7142, 12740, 14284, 17855, 24997, 25480, 28568, 35710, 46423, 49994, 71420, 92846, 99988, 124985, 142840, 174979, 185692, 199976, 232115, 249970, 324961, 349958, 371384, 464230, 499940, 649922, 699916, 874895, 928460, 999880, 1299844, 1399832, 1624805, 1749790, 1856920, 2274727, 2599688, 3249610, 3499580, 4549454, 6499220, 6999160, 9098908, 11373635, 12998440, 18197816, 22747270, 45494540, 90989080]

約数ペア:

[(1, 90989080), (2, 45494540), (4, 22747270), (5, 18197816), (7, 12998440), (8, 11373635), (10, 9098908), (13, 6999160), (14, 6499220), (20, 4549454), (26, 3499580), (28, 3249610), (35, 2599688), (40, 2274727), (49, 1856920), (52, 1749790), (56, 1624805), (65, 1399832), (70, 1299844), (91, 999880), (98, 928460), (104, 874895), (130, 699916), (140, 649922), (182, 499940), (196, 464230), (245, 371384), (260, 349958), (280, 324961), (364, 249970), (392, 232115), (455, 199976), (490, 185692), (520, 174979), (637, 142840), (728, 124985), (910, 99988), (980, 92846), (1274, 71420), (1820, 49994), (1960, 46423), (2548, 35710), (3185, 28568), (3571, 25480), (3640, 24997), (5096, 17855), (6370, 14284), (7142, 12740)]