278313230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{29327}}^1$

素因数の和:29420

約数の個数: 32

約数和(自身を含む): 546908544

約数和(自身を除く): 268595314

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 29327, 58654, 146635, 293270, 381251, 762502, 1906255, 2140871, 3812510, 4281742, 10704355, 21408710, 27831323, 55662646, 139156615, 278313230]

約数ペア:

[(1, 278313230), (2, 139156615), (5, 55662646), (10, 27831323), (13, 21408710), (26, 10704355), (65, 4281742), (73, 3812510), (130, 2140871), (146, 1906255), (365, 762502), (730, 381251), (949, 293270), (1898, 146635), (4745, 58654), (9490, 29327)]