109625420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{77201}}^1$

素因数の和:77281

約数の個数: 24

約数和(自身を含む): 233458848

約数和(自身を除く): 123833428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 77201, 154402, 308804, 386005, 772010, 1544020, 5481271, 10962542, 21925084, 27406355, 54812710, 109625420]

約数ペア:

[(1, 109625420), (2, 54812710), (4, 27406355), (5, 21925084), (10, 10962542), (20, 5481271), (71, 1544020), (142, 772010), (284, 386005), (355, 308804), (710, 154402), (1420, 77201)]