55153140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131317}}^1$

素因数の和:131336

約数の個数: 48

約数和(自身を含む): 176491392

約数和(自身を除く): 121338252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131317, 262634, 393951, 525268, 656585, 787902, 919219, 1313170, 1575804, 1838438, 1969755, 2626340, 2757657, 3676876, 3939510, 4596095, 5515314, 7879020, 9192190, 11030628, 13788285, 18384380, 27576570, 55153140]

約数ペア:

[(1, 55153140), (2, 27576570), (3, 18384380), (4, 13788285), (5, 11030628), (6, 9192190), (7, 7879020), (10, 5515314), (12, 4596095), (14, 3939510), (15, 3676876), (20, 2757657), (21, 2626340), (28, 1969755), (30, 1838438), (35, 1575804), (42, 1313170), (60, 919219), (70, 787902), (84, 656585), (105, 525268), (140, 393951), (210, 262634), (420, 131317)]