713678620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 1517489568

約数和(自身を除く): 803810948

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 457, 565, 691, 914, 1130, 1382, 1828, 2260, 2285, 2764, 3455, 4570, 6910, 9140, 13820, 51641, 78083, 103282, 156166, 206564, 258205, 312332, 315787, 390415, 516410, 631574, 780830, 1032820, 1263148, 1561660, 1578935, 3157870, 6315740, 35683931, 71367862, 142735724, 178419655, 356839310, 713678620]

約数ペア:

[(1, 713678620), (2, 356839310), (4, 178419655), (5, 142735724), (10, 71367862), (20, 35683931), (113, 6315740), (226, 3157870), (452, 1578935), (457, 1561660), (565, 1263148), (691, 1032820), (914, 780830), (1130, 631574), (1382, 516410), (1828, 390415), (2260, 315787), (2285, 312332), (2764, 258205), (3455, 206564), (4570, 156166), (6910, 103282), (9140, 78083), (13820, 51641)]