2319220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 4952808

約数和(自身を除く): 2633588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1901, 3802, 7604, 9505, 19010, 38020, 115961, 231922, 463844, 579805, 1159610, 2319220]

約数ペア:

[(1, 2319220), (2, 1159610), (4, 579805), (5, 463844), (10, 231922), (20, 115961), (61, 38020), (122, 19010), (244, 9505), (305, 7604), (610, 3802), (1220, 1901)]