640610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:130

約数の個数: 24

約数和(自身を含む): 1218780

約数和(自身を除く): 578170

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 2209, 2726, 4418, 6815, 11045, 13630, 22090, 64061, 128122, 320305, 640610]

約数ペア:

[(1, 640610), (2, 320305), (5, 128122), (10, 64061), (29, 22090), (47, 13630), (58, 11045), (94, 6815), (145, 4418), (235, 2726), (290, 2209), (470, 1363)]