156938699420

素因数分解:

$2^2\times 5^1\times {\mathrm{77431}}^1\times {\mathrm{101341}}^1$

素因数の和:178781

約数の個数: 24

約数和(自身を含む): 329578777248

約数和(自身を除く): 172640077828

約数列:

[1, 2, 4, 5, 10, 20, 77431, 101341, 154862, 202682, 309724, 387155, 405364, 506705, 774310, 1013410, 1548620, 2026820, 7846934971, 15693869942, 31387739884, 39234674855, 78469349710, 156938699420]

約数ペア:

[(1, 156938699420), (2, 78469349710), (4, 39234674855), (5, 31387739884), (10, 15693869942), (20, 7846934971), (77431, 2026820), (101341, 1548620), (154862, 1013410), (202682, 774310), (309724, 506705), (387155, 405364)]