77460290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 143285760

約数和(自身を除く): 65825470

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 1381, 2762, 5609, 6905, 11218, 13810, 28045, 56090, 98051, 109099, 196102, 218198, 490255, 545495, 980510, 1090990, 7746029, 15492058, 38730145, 77460290]

約数ペア:

[(1, 77460290), (2, 38730145), (5, 15492058), (10, 7746029), (71, 1090990), (79, 980510), (142, 545495), (158, 490255), (355, 218198), (395, 196102), (710, 109099), (790, 98051), (1381, 56090), (2762, 28045), (5609, 13810), (6905, 11218)]