90212570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67829}}^1$

素因数の和:67862

約数の個数: 32

約数和(自身を含む): 195350400

約数和(自身を除く): 105137830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 67829, 135658, 339145, 474803, 678290, 949606, 1288751, 2374015, 2577502, 4748030, 6443755, 9021257, 12887510, 18042514, 45106285, 90212570]

約数ペア:

[(1, 90212570), (2, 45106285), (5, 18042514), (7, 12887510), (10, 9021257), (14, 6443755), (19, 4748030), (35, 2577502), (38, 2374015), (70, 1288751), (95, 949606), (133, 678290), (190, 474803), (266, 339145), (665, 135658), (1330, 67829)]