305429240

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{12101}}^1$

素因数の和:12743

約数の個数: 32

約数和(自身を含む): 688361760

約数和(自身を除く): 382932520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12101, 12620, 24202, 25240, 48404, 60505, 96808, 121010, 242020, 484040, 7635731, 15271462, 30542924, 38178655, 61085848, 76357310, 152714620, 305429240]

約数ペア:

[(1, 305429240), (2, 152714620), (4, 76357310), (5, 61085848), (8, 38178655), (10, 30542924), (20, 15271462), (40, 7635731), (631, 484040), (1262, 242020), (2524, 121010), (3155, 96808), (5048, 60505), (6310, 48404), (12101, 25240), (12620, 24202)]