2440606900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{1019}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 5434339680

約数和(自身を除く): 2993732780

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 557, 860, 1019, 1075, 1114, 2038, 2150, 2228, 2785, 4076, 4300, 5095, 5570, 10190, 11140, 13925, 20380, 23951, 25475, 27850, 43817, 47902, 50950, 55700, 87634, 95804, 101900, 119755, 175268, 219085, 239510, 438170, 479020, 567583, 598775, 876340, 1095425, 1135166, 1197550, 2190850, 2270332, 2395100, 2837915, 4381700, 5675830, 11351660, 14189575, 24406069, 28379150, 48812138, 56758300, 97624276, 122030345, 244060690, 488121380, 610151725, 1220303450, 2440606900]

約数ペア:

[(1, 2440606900), (2, 1220303450), (4, 610151725), (5, 488121380), (10, 244060690), (20, 122030345), (25, 97624276), (43, 56758300), (50, 48812138), (86, 28379150), (100, 24406069), (172, 14189575), (215, 11351660), (430, 5675830), (557, 4381700), (860, 2837915), (1019, 2395100), (1075, 2270332), (1114, 2190850), (2038, 1197550), (2150, 1135166), (2228, 1095425), (2785, 876340), (4076, 598775), (4300, 567583), (5095, 479020), (5570, 438170), (10190, 239510), (11140, 219085), (13925, 175268), (20380, 119755), (23951, 101900), (25475, 95804), (27850, 87634), (43817, 55700), (47902, 50950)]