309028240

素因数分解:

$2^4\times 5^1\times {\mathrm{3862853}}^1$

素因数の和:3862866

約数の個数: 20

約数和(自身を含む): 718490844

約数和(自身を除く): 409462604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3862853, 7725706, 15451412, 19314265, 30902824, 38628530, 61805648, 77257060, 154514120, 309028240]

約数ペア:

[(1, 309028240), (2, 154514120), (4, 77257060), (5, 61805648), (8, 38628530), (10, 30902824), (16, 19314265), (20, 15451412), (40, 7725706), (80, 3862853)]