68237290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21391}}^1$

素因数の和:21438

約数の個数: 32

約数和(自身を含む): 138620160

約数和(自身を除く): 70382870

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 21391, 42782, 106955, 213910, 235301, 470602, 620339, 1176505, 1240678, 2353010, 3101695, 6203390, 6823729, 13647458, 34118645, 68237290]

約数ペア:

[(1, 68237290), (2, 34118645), (5, 13647458), (10, 6823729), (11, 6203390), (22, 3101695), (29, 2353010), (55, 1240678), (58, 1176505), (110, 620339), (145, 470602), (290, 235301), (319, 213910), (638, 106955), (1595, 42782), (3190, 21391)]