8585140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 18998784

約数和(自身を除く): 10413644

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 227, 244, 305, 310, 454, 610, 620, 908, 1135, 1220, 1891, 2270, 3782, 4540, 7037, 7564, 9455, 13847, 14074, 18910, 27694, 28148, 35185, 37820, 55388, 69235, 70370, 138470, 140740, 276940, 429257, 858514, 1717028, 2146285, 4292570, 8585140]

約数ペア:

[(1, 8585140), (2, 4292570), (4, 2146285), (5, 1717028), (10, 858514), (20, 429257), (31, 276940), (61, 140740), (62, 138470), (122, 70370), (124, 69235), (155, 55388), (227, 37820), (244, 35185), (305, 28148), (310, 27694), (454, 18910), (610, 14074), (620, 13847), (908, 9455), (1135, 7564), (1220, 7037), (1891, 4540), (2270, 3782)]