201804790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 422143488

約数和(自身を除く): 220338698

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 311, 347, 374, 622, 694, 935, 1555, 1735, 1870, 3110, 3421, 3470, 3817, 5287, 5899, 6842, 7634, 10574, 11798, 17105, 19085, 26435, 29495, 34210, 38170, 52870, 58157, 58990, 64889, 107917, 116314, 129778, 215834, 290785, 324445, 539585, 581570, 648890, 1079170, 1187087, 1834589, 2374174, 3669178, 5935435, 9172945, 11870870, 18345890, 20180479, 40360958, 100902395, 201804790]

約数ペア:

[(1, 201804790), (2, 100902395), (5, 40360958), (10, 20180479), (11, 18345890), (17, 11870870), (22, 9172945), (34, 5935435), (55, 3669178), (85, 2374174), (110, 1834589), (170, 1187087), (187, 1079170), (311, 648890), (347, 581570), (374, 539585), (622, 324445), (694, 290785), (935, 215834), (1555, 129778), (1735, 116314), (1870, 107917), (3110, 64889), (3421, 58990), (3470, 58157), (3817, 52870), (5287, 38170), (5899, 34210), (6842, 29495), (7634, 26435), (10574, 19085), (11798, 17105)]