189930378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 426240000

約数和(自身を除く): 236309622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 79, 146, 158, 219, 237, 438, 474, 499, 803, 869, 998, 1497, 1606, 1738, 2409, 2607, 2994, 4818, 5214, 5489, 5767, 10978, 11534, 16467, 17301, 32934, 34602, 36427, 39421, 63437, 72854, 78842, 109281, 118263, 126874, 190311, 218562, 236526, 380622, 400697, 433631, 801394, 867262, 1202091, 1300893, 2404182, 2601786, 2877733, 5755466, 8633199, 17266398, 31655063, 63310126, 94965189, 189930378]

約数ペア:

[(1, 189930378), (2, 94965189), (3, 63310126), (6, 31655063), (11, 17266398), (22, 8633199), (33, 5755466), (66, 2877733), (73, 2601786), (79, 2404182), (146, 1300893), (158, 1202091), (219, 867262), (237, 801394), (438, 433631), (474, 400697), (499, 380622), (803, 236526), (869, 218562), (998, 190311), (1497, 126874), (1606, 118263), (1738, 109281), (2409, 78842), (2607, 72854), (2994, 63437), (4818, 39421), (5214, 36427), (5489, 34602), (5767, 32934), (10978, 17301), (11534, 16467)]