637220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 1353408

約数和(自身を除く): 716188

約数列:

[1, 2, 4, 5, 10, 20, 151, 211, 302, 422, 604, 755, 844, 1055, 1510, 2110, 3020, 4220, 31861, 63722, 127444, 159305, 318610, 637220]

約数ペア:

[(1, 637220), (2, 318610), (4, 159305), (5, 127444), (10, 63722), (20, 31861), (151, 4220), (211, 3020), (302, 2110), (422, 1510), (604, 1055), (755, 844)]