2731580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 5832960

約数和(自身を除く): 3101380

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2239, 4478, 8956, 11195, 22390, 44780, 136579, 273158, 546316, 682895, 1365790, 2731580]

約数ペア:

[(1, 2731580), (2, 1365790), (4, 682895), (5, 546316), (10, 273158), (20, 136579), (61, 44780), (122, 22390), (244, 11195), (305, 8956), (610, 4478), (1220, 2239)]