231648980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{106261}}^1$

素因数の和:106379

約数の個数: 24

約数和(自身を含む): 490930440

約数和(自身を除く): 259281460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 106261, 212522, 425044, 531305, 1062610, 2125220, 11582449, 23164898, 46329796, 57912245, 115824490, 231648980]

約数ペア:

[(1, 231648980), (2, 115824490), (4, 57912245), (5, 46329796), (10, 23164898), (20, 11582449), (109, 2125220), (218, 1062610), (436, 531305), (545, 425044), (1090, 212522), (2180, 106261)]