315720910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{40529}}^1$

素因数の和:40596

約数の個数: 32

約数和(自身を含む): 612813600

約数和(自身を除く): 297092690

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 40529, 81058, 202645, 405290, 770051, 1540102, 1661689, 3323378, 3850255, 7700510, 8308445, 16616890, 31572091, 63144182, 157860455, 315720910]

約数ペア:

[(1, 315720910), (2, 157860455), (5, 63144182), (10, 31572091), (19, 16616890), (38, 8308445), (41, 7700510), (82, 3850255), (95, 3323378), (190, 1661689), (205, 1540102), (410, 770051), (779, 405290), (1558, 202645), (3895, 81058), (7790, 40529)]