77157830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 142274880

約数和(自身を除く): 65117050

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 710, 997, 1090, 1994, 4985, 7739, 9970, 15478, 38695, 70787, 77390, 108673, 141574, 217346, 353935, 543365, 707870, 1086730, 7715783, 15431566, 38578915, 77157830]

約数ペア:

[(1, 77157830), (2, 38578915), (5, 15431566), (10, 7715783), (71, 1086730), (109, 707870), (142, 543365), (218, 353935), (355, 217346), (545, 141574), (710, 108673), (997, 77390), (1090, 70787), (1994, 38695), (4985, 15478), (7739, 9970)]