131777420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{92801}}^1$

素因数の和:92881

約数の個数: 24

約数和(自身を含む): 280633248

約数和(自身を除く): 148855828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 92801, 185602, 371204, 464005, 928010, 1856020, 6588871, 13177742, 26355484, 32944355, 65888710, 131777420]

約数ペア:

[(1, 131777420), (2, 65888710), (4, 32944355), (5, 26355484), (10, 13177742), (20, 6588871), (71, 1856020), (142, 928010), (284, 464005), (355, 371204), (710, 185602), (1420, 92801)]