2218757620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1\times {\mathrm{1931}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 4731668928

約数和(自身を除く): 2512911308

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 787, 1460, 1574, 1931, 3148, 3862, 3935, 7724, 7870, 9655, 15740, 19310, 38620, 57451, 114902, 140963, 229804, 281926, 287255, 563852, 574510, 704815, 1149020, 1409630, 1519697, 2819260, 3039394, 6078788, 7598485, 15196970, 30393940, 110937881, 221875762, 443751524, 554689405, 1109378810, 2218757620]

約数ペア:

[(1, 2218757620), (2, 1109378810), (4, 554689405), (5, 443751524), (10, 221875762), (20, 110937881), (73, 30393940), (146, 15196970), (292, 7598485), (365, 6078788), (730, 3039394), (787, 2819260), (1460, 1519697), (1574, 1409630), (1931, 1149020), (3148, 704815), (3862, 574510), (3935, 563852), (7724, 287255), (7870, 281926), (9655, 229804), (15740, 140963), (19310, 114902), (38620, 57451)]