5220740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 12700800

約数和(自身を除く): 7480060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 419, 445, 623, 838, 890, 1246, 1676, 1780, 2095, 2492, 2933, 3115, 4190, 5866, 6230, 8380, 11732, 12460, 14665, 29330, 37291, 58660, 74582, 149164, 186455, 261037, 372910, 522074, 745820, 1044148, 1305185, 2610370, 5220740]

約数ペア:

[(1, 5220740), (2, 2610370), (4, 1305185), (5, 1044148), (7, 745820), (10, 522074), (14, 372910), (20, 261037), (28, 186455), (35, 149164), (70, 74582), (89, 58660), (140, 37291), (178, 29330), (356, 14665), (419, 12460), (445, 11732), (623, 8380), (838, 6230), (890, 5866), (1246, 4190), (1676, 3115), (1780, 2933), (2095, 2492)]