210498680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24251}}^1$

素因数の和:24300

約数の個数: 64

約数和(自身を含む): 558766080

約数和(自身を除く): 348267400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 24251, 48502, 97004, 121255, 169757, 194008, 242510, 339514, 485020, 679028, 751781, 848785, 970040, 1358056, 1503562, 1697570, 3007124, 3395140, 3758905, 5262467, 6014248, 6790280, 7517810, 10524934, 15035620, 21049868, 26312335, 30071240, 42099736, 52624670, 105249340, 210498680]

約数ペア:

[(1, 210498680), (2, 105249340), (4, 52624670), (5, 42099736), (7, 30071240), (8, 26312335), (10, 21049868), (14, 15035620), (20, 10524934), (28, 7517810), (31, 6790280), (35, 6014248), (40, 5262467), (56, 3758905), (62, 3395140), (70, 3007124), (124, 1697570), (140, 1503562), (155, 1358056), (217, 970040), (248, 848785), (280, 751781), (310, 679028), (434, 485020), (620, 339514), (868, 242510), (1085, 194008), (1240, 169757), (1736, 121255), (2170, 97004), (4340, 48502), (8680, 24251)]