2790140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 5957952

約数和(自身を除く): 3167812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2287, 4574, 9148, 11435, 22870, 45740, 139507, 279014, 558028, 697535, 1395070, 2790140]

約数ペア:

[(1, 2790140), (2, 1395070), (4, 697535), (5, 558028), (10, 279014), (20, 139507), (61, 45740), (122, 22870), (244, 11435), (305, 9148), (610, 4574), (1220, 2287)]