133960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 320760

約数和(自身を除く): 186800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1576, 1970, 3349, 3940, 6698, 7880, 13396, 16745, 26792, 33490, 66980, 133960]

約数ペア:

[(1, 133960), (2, 66980), (4, 33490), (5, 26792), (8, 16745), (10, 13396), (17, 7880), (20, 6698), (34, 3940), (40, 3349), (68, 1970), (85, 1576), (136, 985), (170, 788), (197, 680), (340, 394)]