499220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 1062600

約数和(自身を除く): 563380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 229, 436, 458, 545, 916, 1090, 1145, 2180, 2290, 4580, 24961, 49922, 99844, 124805, 249610, 499220]

約数ペア:

[(1, 499220), (2, 249610), (4, 124805), (5, 99844), (10, 49922), (20, 24961), (109, 4580), (218, 2290), (229, 2180), (436, 1145), (458, 1090), (545, 916)]