71896700

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1811}}^1$

素因数の和:2222

約数の個数: 36

約数和(自身を含む): 156495192

約数和(自身を除く): 84598492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1811, 1985, 3622, 3970, 7244, 7940, 9055, 9925, 18110, 19850, 36220, 39700, 45275, 90550, 181100, 718967, 1437934, 2875868, 3594835, 7189670, 14379340, 17974175, 35948350, 71896700]

約数ペア:

[(1, 71896700), (2, 35948350), (4, 17974175), (5, 14379340), (10, 7189670), (20, 3594835), (25, 2875868), (50, 1437934), (100, 718967), (397, 181100), (794, 90550), (1588, 45275), (1811, 39700), (1985, 36220), (3622, 19850), (3970, 18110), (7244, 9925), (7940, 9055)]