180000724

素因数分解:

$2^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 317872800

約数和(自身を除く): 137872076

約数列:

[1, 2, 4, 211, 419, 422, 509, 838, 844, 1018, 1676, 2036, 88409, 107399, 176818, 213271, 214798, 353636, 426542, 429596, 853084, 45000181, 90000362, 180000724]

約数ペア:

[(1, 180000724), (2, 90000362), (4, 45000181), (211, 853084), (419, 429596), (422, 426542), (509, 353636), (838, 214798), (844, 213271), (1018, 176818), (1676, 107399), (2036, 88409)]