636620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 1352400

約数和(自身を除く): 715780

約数列:

[1, 2, 4, 5, 10, 20, 139, 229, 278, 458, 556, 695, 916, 1145, 1390, 2290, 2780, 4580, 31831, 63662, 127324, 159155, 318310, 636620]

約数ペア:

[(1, 636620), (2, 318310), (4, 159155), (5, 127324), (10, 63662), (20, 31831), (139, 4580), (229, 2780), (278, 2290), (458, 1390), (556, 1145), (695, 916)]