68942860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17026

約数の個数: 48

約数和(自身を含む): 171178560

約数和(自身を除く): 102235700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16981, 33962, 67924, 84905, 118867, 169810, 237734, 339620, 475468, 492449, 594335, 984898, 1188670, 1969796, 2377340, 2462245, 3447143, 4924490, 6894286, 9848980, 13788572, 17235715, 34471430, 68942860]

約数ペア:

[(1, 68942860), (2, 34471430), (4, 17235715), (5, 13788572), (7, 9848980), (10, 6894286), (14, 4924490), (20, 3447143), (28, 2462245), (29, 2377340), (35, 1969796), (58, 1188670), (70, 984898), (116, 594335), (140, 492449), (145, 475468), (203, 339620), (290, 237734), (406, 169810), (580, 118867), (812, 84905), (1015, 67924), (2030, 33962), (4060, 16981)]