91327490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2099}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 173880000

約数和(自身を除く): 82552510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 1145, 2099, 2290, 4198, 4351, 8702, 10495, 20990, 21755, 39881, 43510, 79762, 199405, 398810, 480671, 961342, 2403355, 4806710, 9132749, 18265498, 45663745, 91327490]

約数ペア:

[(1, 91327490), (2, 45663745), (5, 18265498), (10, 9132749), (19, 4806710), (38, 2403355), (95, 961342), (190, 480671), (229, 398810), (458, 199405), (1145, 79762), (2099, 43510), (2290, 39881), (4198, 21755), (4351, 20990), (8702, 10495)]