69868180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{57269}}^1$

素因数の和:57339

約数の個数: 24

約数和(自身を含む): 149131080

約数和(自身を除く): 79262900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 57269, 114538, 229076, 286345, 572690, 1145380, 3493409, 6986818, 13973636, 17467045, 34934090, 69868180]

約数ペア:

[(1, 69868180), (2, 34934090), (4, 17467045), (5, 13973636), (10, 6986818), (20, 3493409), (61, 1145380), (122, 572690), (244, 286345), (305, 229076), (610, 114538), (1220, 57269)]