1220702945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15619}}^1$

素因数の和:15678

約数の個数: 48

約数和(自身を含む): 1923134400

約数和(自身を除く): 702431455

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 1015, 1421, 1595, 2233, 2695, 7105, 11165, 15619, 15631, 78095, 78155, 109333, 171809, 452951, 546665, 765331, 859045, 1202663, 2264755, 3170657, 3826655, 4982461, 6013315, 8418641, 15853285, 22194599, 24912305, 34877227, 42093205, 110972995, 174386135, 244140589, 1220702945]

約数ペア:

[(1, 1220702945), (5, 244140589), (7, 174386135), (11, 110972995), (29, 42093205), (35, 34877227), (49, 24912305), (55, 22194599), (77, 15853285), (145, 8418641), (203, 6013315), (245, 4982461), (319, 3826655), (385, 3170657), (539, 2264755), (1015, 1202663), (1421, 859045), (1595, 765331), (2233, 546665), (2695, 452951), (7105, 171809), (11165, 109333), (15619, 78155), (15631, 78095)]