2390505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 4427136

約数和(自身を除く): 2036631

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 115, 123, 169, 195, 205, 299, 345, 507, 533, 615, 845, 897, 943, 1495, 1599, 2535, 2665, 2829, 3887, 4485, 4715, 6929, 7995, 11661, 12259, 14145, 19435, 20787, 34645, 36777, 58305, 61295, 103935, 159367, 183885, 478101, 796835, 2390505]

約数ペア:

[(1, 2390505), (3, 796835), (5, 478101), (13, 183885), (15, 159367), (23, 103935), (39, 61295), (41, 58305), (65, 36777), (69, 34645), (115, 20787), (123, 19435), (169, 14145), (195, 12259), (205, 11661), (299, 7995), (345, 6929), (507, 4715), (533, 4485), (615, 3887), (845, 2829), (897, 2665), (943, 2535), (1495, 1599)]