3128780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 6663552

約数和(自身を除く): 3534772

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2143, 4286, 8572, 10715, 21430, 42860, 156439, 312878, 625756, 782195, 1564390, 3128780]

約数ペア:

[(1, 3128780), (2, 1564390), (4, 782195), (5, 625756), (10, 312878), (20, 156439), (73, 42860), (146, 21430), (292, 10715), (365, 8572), (730, 4286), (1460, 2143)]