209840984

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 425088000

約数和(自身を除く): 215247016

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 163, 179, 232, 248, 326, 358, 652, 716, 899, 1304, 1432, 1798, 3596, 4727, 5053, 5191, 5549, 7192, 9454, 10106, 10382, 11098, 18908, 20212, 20764, 22196, 29177, 37816, 40424, 41528, 44392, 58354, 116708, 146537, 160921, 233416, 293074, 321842, 586148, 643684, 846133, 904487, 1172296, 1287368, 1692266, 1808974, 3384532, 3617948, 6769064, 7235896, 26230123, 52460246, 104920492, 209840984]

約数ペア:

[(1, 209840984), (2, 104920492), (4, 52460246), (8, 26230123), (29, 7235896), (31, 6769064), (58, 3617948), (62, 3384532), (116, 1808974), (124, 1692266), (163, 1287368), (179, 1172296), (232, 904487), (248, 846133), (326, 643684), (358, 586148), (652, 321842), (716, 293074), (899, 233416), (1304, 160921), (1432, 146537), (1798, 116708), (3596, 58354), (4727, 44392), (5053, 41528), (5191, 40424), (5549, 37816), (7192, 29177), (9454, 22196), (10106, 20764), (10382, 20212), (11098, 18908)]