77387620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{25969}}^1$

素因数の和:26127

約数の個数: 24

約数和(自身を含む): 163611000

約数和(自身を除く): 86223380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 25969, 51938, 103876, 129845, 259690, 519380, 3869381, 7738762, 15477524, 19346905, 38693810, 77387620]

約数ペア:

[(1, 77387620), (2, 38693810), (4, 19346905), (5, 15477524), (10, 7738762), (20, 3869381), (149, 519380), (298, 259690), (596, 129845), (745, 103876), (1490, 51938), (2980, 25969)]