16990473640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8668609}}^1$

素因数の和:8668634

約数の個数: 48

約数和(自身を含む): 44469969300

約数和(自身を除く): 27479495660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8668609, 17337218, 34674436, 43343045, 60680263, 69348872, 86686090, 121360526, 173372180, 242721052, 303401315, 346744360, 424761841, 485442104, 606802630, 849523682, 1213605260, 1699047364, 2123809205, 2427210520, 3398094728, 4247618410, 8495236820, 16990473640]

約数ペア:

[(1, 16990473640), (2, 8495236820), (4, 4247618410), (5, 3398094728), (7, 2427210520), (8, 2123809205), (10, 1699047364), (14, 1213605260), (20, 849523682), (28, 606802630), (35, 485442104), (40, 424761841), (49, 346744360), (56, 303401315), (70, 242721052), (98, 173372180), (140, 121360526), (196, 86686090), (245, 69348872), (280, 60680263), (392, 43343045), (490, 34674436), (980, 17337218), (1960, 8668609)]