205189660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3623

約数の個数: 72

約数和(自身を含む): 494179056

約数和(自身を除く): 288989396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 3571, 4420, 5746, 7142, 11492, 14284, 14365, 17855, 28730, 35710, 46423, 57460, 60707, 71420, 92846, 121414, 185692, 232115, 242828, 303535, 464230, 603499, 607070, 789191, 928460, 1206998, 1214140, 1578382, 2413996, 3017495, 3156764, 3945955, 6034990, 7891910, 10259483, 12069980, 15783820, 20518966, 41037932, 51297415, 102594830, 205189660]

約数ペア:

[(1, 205189660), (2, 102594830), (4, 51297415), (5, 41037932), (10, 20518966), (13, 15783820), (17, 12069980), (20, 10259483), (26, 7891910), (34, 6034990), (52, 3945955), (65, 3156764), (68, 3017495), (85, 2413996), (130, 1578382), (169, 1214140), (170, 1206998), (221, 928460), (260, 789191), (338, 607070), (340, 603499), (442, 464230), (676, 303535), (845, 242828), (884, 232115), (1105, 185692), (1690, 121414), (2210, 92846), (2873, 71420), (3380, 60707), (3571, 57460), (4420, 46423), (5746, 35710), (7142, 28730), (11492, 17855), (14284, 14365)]