31581350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 61887408

約数和(自身を除く): 30306058

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 370, 397, 430, 794, 925, 1075, 1591, 1850, 1985, 2150, 3182, 3970, 7955, 9925, 14689, 15910, 17071, 19850, 29378, 34142, 39775, 73445, 79550, 85355, 146890, 170710, 367225, 426775, 631627, 734450, 853550, 1263254, 3158135, 6316270, 15790675, 31581350]

約数ペア:

[(1, 31581350), (2, 15790675), (5, 6316270), (10, 3158135), (25, 1263254), (37, 853550), (43, 734450), (50, 631627), (74, 426775), (86, 367225), (185, 170710), (215, 146890), (370, 85355), (397, 79550), (430, 73445), (794, 39775), (925, 34142), (1075, 29378), (1591, 19850), (1850, 17071), (1985, 15910), (2150, 14689), (3182, 9925), (3970, 7955)]