91438370

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 167227200

約数和(自身を除く): 75788830

約数列:

[1, 2, 5, 10, 139, 157, 278, 314, 419, 695, 785, 838, 1390, 1570, 2095, 4190, 21823, 43646, 58241, 65783, 109115, 116482, 131566, 218230, 291205, 328915, 582410, 657830, 9143837, 18287674, 45719185, 91438370]

約数ペア:

[(1, 91438370), (2, 45719185), (5, 18287674), (10, 9143837), (139, 657830), (157, 582410), (278, 328915), (314, 291205), (419, 218230), (695, 131566), (785, 116482), (838, 109115), (1390, 65783), (1570, 58241), (2095, 43646), (4190, 21823)]