4782220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 10113264

約数和(自身を除く): 5331044

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1523, 1570, 3046, 3140, 6092, 7615, 15230, 30460, 239111, 478222, 956444, 1195555, 2391110, 4782220]

約数ペア:

[(1, 4782220), (2, 2391110), (4, 1195555), (5, 956444), (10, 478222), (20, 239111), (157, 30460), (314, 15230), (628, 7615), (785, 6092), (1523, 3140), (1570, 3046)]