200450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 24

約数和(自身を含む): 394320

約数和(自身を除く): 193870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 211, 422, 475, 950, 1055, 2110, 4009, 5275, 8018, 10550, 20045, 40090, 100225, 200450]

約数ペア:

[(1, 200450), (2, 100225), (5, 40090), (10, 20045), (19, 10550), (25, 8018), (38, 5275), (50, 4009), (95, 2110), (190, 1055), (211, 950), (422, 475)]