138540380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2341}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 318699360

約数和(自身を除く): 180158980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 2341, 2690, 2959, 4682, 5380, 5918, 9364, 11705, 11836, 14795, 23410, 25751, 29590, 46820, 51502, 59180, 103004, 128755, 257510, 515020, 629729, 1259458, 2518916, 3148645, 6297290, 6927019, 12594580, 13854038, 27708076, 34635095, 69270190, 138540380]

約数ペア:

[(1, 138540380), (2, 69270190), (4, 34635095), (5, 27708076), (10, 13854038), (11, 12594580), (20, 6927019), (22, 6297290), (44, 3148645), (55, 2518916), (110, 1259458), (220, 629729), (269, 515020), (538, 257510), (1076, 128755), (1345, 103004), (2341, 59180), (2690, 51502), (2959, 46820), (4682, 29590), (5380, 25751), (5918, 23410), (9364, 14795), (11705, 11836)]