1801220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 3820824

約数和(自身を除く): 2019604

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 797, 1130, 1594, 2260, 3188, 3985, 7970, 15940, 90061, 180122, 360244, 450305, 900610, 1801220]

約数ペア:

[(1, 1801220), (2, 900610), (4, 450305), (5, 360244), (10, 180122), (20, 90061), (113, 15940), (226, 7970), (452, 3985), (565, 3188), (797, 2260), (1130, 1594)]