68587420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4482

約数の個数: 48

約数和(自身を含む): 159376896

約数和(自身を除く): 90789476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4391, 7810, 8782, 15620, 17564, 21955, 43910, 48301, 87820, 96602, 193204, 241505, 311761, 483010, 623522, 966020, 1247044, 1558805, 3117610, 3429371, 6235220, 6858742, 13717484, 17146855, 34293710, 68587420]

約数ペア:

[(1, 68587420), (2, 34293710), (4, 17146855), (5, 13717484), (10, 6858742), (11, 6235220), (20, 3429371), (22, 3117610), (44, 1558805), (55, 1247044), (71, 966020), (110, 623522), (142, 483010), (220, 311761), (284, 241505), (355, 193204), (710, 96602), (781, 87820), (1420, 48301), (1562, 43910), (3124, 21955), (3905, 17564), (4391, 15620), (7810, 8782)]