305978680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{35251}}^1$

素因数の和:35300

約数の個数: 64

約数和(自身を含む): 812206080

約数和(自身を除く): 506227400

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, 35251, 70502, 141004, 176255, 246757, 282008, 352510, 493514, 705020, 987028, 1092781, 1233785, 1410040, 1974056, 2185562, 2467570, 4371124, 4935140, 5463905, 7649467, 8742248, 9870280, 10927810, 15298934, 21855620, 30597868, 38247335, 43711240, 61195736, 76494670, 152989340, 305978680]

約数ペア:

[(1, 305978680), (2, 152989340), (4, 76494670), (5, 61195736), (7, 43711240), (8, 38247335), (10, 30597868), (14, 21855620), (20, 15298934), (28, 10927810), (31, 9870280), (35, 8742248), (40, 7649467), (56, 5463905), (62, 4935140), (70, 4371124), (124, 2467570), (140, 2185562), (155, 1974056), (217, 1410040), (248, 1233785), (280, 1092781), (310, 987028), (434, 705020), (620, 493514), (868, 352510), (1085, 282008), (1240, 246757), (1736, 176255), (2170, 141004), (4340, 70502), (8680, 35251)]