1421290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 36

約数和(自身を含む): 2869074

約数和(自身を除く): 1447784

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 754, 841, 845, 1682, 1690, 1885, 3770, 4205, 4901, 8410, 9802, 10933, 21866, 24505, 49010, 54665, 109330, 142129, 284258, 710645, 1421290]

約数ペア:

[(1, 1421290), (2, 710645), (5, 284258), (10, 142129), (13, 109330), (26, 54665), (29, 49010), (58, 24505), (65, 21866), (130, 10933), (145, 9802), (169, 8410), (290, 4901), (338, 4205), (377, 3770), (754, 1885), (841, 1690), (845, 1682)]