1428620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 3051888

約数和(自身を除く): 1623268

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1171, 1220, 2342, 4684, 5855, 11710, 23420, 71431, 142862, 285724, 357155, 714310, 1428620]

約数ペア:

[(1, 1428620), (2, 714310), (4, 357155), (5, 285724), (10, 142862), (20, 71431), (61, 23420), (122, 11710), (244, 5855), (305, 4684), (610, 2342), (1171, 1220)]