145772540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{235117}}^1$

素因数の和:235157

約数の個数: 24

約数和(自身を含む): 315998592

約数和(自身を除く): 170226052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 235117, 470234, 940468, 1175585, 2351170, 4702340, 7288627, 14577254, 29154508, 36443135, 72886270, 145772540]

約数ペア:

[(1, 145772540), (2, 72886270), (4, 36443135), (5, 29154508), (10, 14577254), (20, 7288627), (31, 4702340), (62, 2351170), (124, 1175585), (155, 940468), (310, 470234), (620, 235117)]