313960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 725760

約数和(自身を除く): 411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 167, 188, 235, 334, 376, 470, 668, 835, 940, 1336, 1670, 1880, 3340, 6680, 7849, 15698, 31396, 39245, 62792, 78490, 156980, 313960]

約数ペア:

[(1, 313960), (2, 156980), (4, 78490), (5, 62792), (8, 39245), (10, 31396), (20, 15698), (40, 7849), (47, 6680), (94, 3340), (167, 1880), (188, 1670), (235, 1336), (334, 940), (376, 835), (470, 668)]