138775340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{630797}}^1$

素因数の和:630817

約数の個数: 24

約数和(自身を含む): 317922192

約数和(自身を除く): 179146852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 630797, 1261594, 2523188, 3153985, 6307970, 6938767, 12615940, 13877534, 27755068, 34693835, 69387670, 138775340]

約数ペア:

[(1, 138775340), (2, 69387670), (4, 34693835), (5, 27755068), (10, 13877534), (11, 12615940), (20, 6938767), (22, 6307970), (44, 3153985), (55, 2523188), (110, 1261594), (220, 630797)]