1990212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 5913600

約数和(自身を除く): 3923388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 43, 57, 58, 76, 84, 86, 87, 114, 116, 129, 133, 172, 174, 203, 228, 258, 266, 301, 348, 399, 406, 516, 532, 551, 602, 609, 798, 812, 817, 903, 1102, 1204, 1218, 1247, 1596, 1634, 1653, 1806, 2204, 2436, 2451, 2494, 3268, 3306, 3612, 3741, 3857, 4902, 4988, 5719, 6612, 7482, 7714, 8729, 9804, 11438, 11571, 14964, 15428, 17157, 17458, 22876, 23142, 23693, 26187, 34314, 34916, 46284, 47386, 52374, 68628, 71079, 94772, 104748, 142158, 165851, 284316, 331702, 497553, 663404, 995106, 1990212]

約数ペア:

[(1, 1990212), (2, 995106), (3, 663404), (4, 497553), (6, 331702), (7, 284316), (12, 165851), (14, 142158), (19, 104748), (21, 94772), (28, 71079), (29, 68628), (38, 52374), (42, 47386), (43, 46284), (57, 34916), (58, 34314), (76, 26187), (84, 23693), (86, 23142), (87, 22876), (114, 17458), (116, 17157), (129, 15428), (133, 14964), (172, 11571), (174, 11438), (203, 9804), (228, 8729), (258, 7714), (266, 7482), (301, 6612), (348, 5719), (399, 4988), (406, 4902), (516, 3857), (532, 3741), (551, 3612), (602, 3306), (609, 3268), (798, 2494), (812, 2451), (817, 2436), (903, 2204), (1102, 1806), (1204, 1653), (1218, 1634), (1247, 1596)]