76687690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{55171}}^1$

素因数の和:55317

約数の個数: 16

約数和(自身を含む): 139033440

約数和(自身を除く): 62345750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 55171, 110342, 275855, 551710, 7668769, 15337538, 38343845, 76687690]

約数ペア:

[(1, 76687690), (2, 38343845), (5, 15337538), (10, 7668769), (139, 551710), (278, 275855), (695, 110342), (1390, 55171)]