158663900

素因数分解:

$2^2\times 5^2\times {\mathrm{1229}}^1\times {\mathrm{1291}}^1$

素因数の和:2534

約数の個数: 36

約数和(自身を含む): 344847720

約数和(自身を除く): 186183820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1229, 1291, 2458, 2582, 4916, 5164, 6145, 6455, 12290, 12910, 24580, 25820, 30725, 32275, 61450, 64550, 122900, 129100, 1586639, 3173278, 6346556, 7933195, 15866390, 31732780, 39665975, 79331950, 158663900]

約数ペア:

[(1, 158663900), (2, 79331950), (4, 39665975), (5, 31732780), (10, 15866390), (20, 7933195), (25, 6346556), (50, 3173278), (100, 1586639), (1229, 129100), (1291, 122900), (2458, 64550), (2582, 61450), (4916, 32275), (5164, 30725), (6145, 25820), (6455, 24580), (12290, 12910)]