120845905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 154828800

約数和(自身を除く): 33982895

約数列:

[1, 5, 31, 71, 79, 139, 155, 355, 395, 695, 2201, 2449, 4309, 5609, 9869, 10981, 11005, 12245, 21545, 28045, 49345, 54905, 173879, 305939, 340411, 779651, 869395, 1529695, 1702055, 3898255, 24169181, 120845905]

約数ペア:

[(1, 120845905), (5, 24169181), (31, 3898255), (71, 1702055), (79, 1529695), (139, 869395), (155, 779651), (355, 340411), (395, 305939), (695, 173879), (2201, 54905), (2449, 49345), (4309, 28045), (5609, 21545), (9869, 12245), (10981, 11005)]