2978020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 6358968

約数和(自身を除く): 3380948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2441, 4882, 9764, 12205, 24410, 48820, 148901, 297802, 595604, 744505, 1489010, 2978020]

約数ペア:

[(1, 2978020), (2, 1489010), (4, 744505), (5, 595604), (10, 297802), (20, 148901), (61, 48820), (122, 24410), (244, 12205), (305, 9764), (610, 4882), (1220, 2441)]