328901590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{42221}}^1$

素因数の和:42288

約数の個数: 32

約数和(自身を含む): 638396640

約数和(自身を除く): 309495050

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 42221, 84442, 211105, 422210, 802199, 1604398, 1731061, 3462122, 4010995, 8021990, 8655305, 17310610, 32890159, 65780318, 164450795, 328901590]

約数ペア:

[(1, 328901590), (2, 164450795), (5, 65780318), (10, 32890159), (19, 17310610), (38, 8655305), (41, 8021990), (82, 4010995), (95, 3462122), (190, 1731061), (205, 1604398), (410, 802199), (779, 422210), (1558, 211105), (3895, 84442), (7790, 42221)]