279380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 598920

約数和(自身を除く): 319540

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 229, 244, 305, 458, 610, 916, 1145, 1220, 2290, 4580, 13969, 27938, 55876, 69845, 139690, 279380]

約数ペア:

[(1, 279380), (2, 139690), (4, 69845), (5, 55876), (10, 27938), (20, 13969), (61, 4580), (122, 2290), (229, 1220), (244, 1145), (305, 916), (458, 610)]