247002340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{950009}}^1$

素因数の和:950031

約数の個数: 24

約数和(自身を含む): 558605880

約数和(自身を除く): 311603540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 950009, 1900018, 3800036, 4750045, 9500090, 12350117, 19000180, 24700234, 49400468, 61750585, 123501170, 247002340]

約数ペア:

[(1, 247002340), (2, 123501170), (4, 61750585), (5, 49400468), (10, 24700234), (13, 19000180), (20, 12350117), (26, 9500090), (52, 4750045), (65, 3800036), (130, 1900018), (260, 950009)]