189800240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19974

約数の個数: 80

約数和(自身を含む): 534019392

約数和(自身を除く): 344219152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 19937, 39874, 79748, 99685, 139559, 159496, 199370, 279118, 318992, 338929, 398740, 558236, 677858, 697795, 797480, 1116472, 1355716, 1395590, 1594960, 1694645, 2232944, 2372503, 2711432, 2791180, 3389290, 4745006, 5422864, 5582360, 6778580, 9490012, 11164720, 11862515, 13557160, 18980024, 23725030, 27114320, 37960048, 47450060, 94900120, 189800240]

約数ペア:

[(1, 189800240), (2, 94900120), (4, 47450060), (5, 37960048), (7, 27114320), (8, 23725030), (10, 18980024), (14, 13557160), (16, 11862515), (17, 11164720), (20, 9490012), (28, 6778580), (34, 5582360), (35, 5422864), (40, 4745006), (56, 3389290), (68, 2791180), (70, 2711432), (80, 2372503), (85, 2232944), (112, 1694645), (119, 1594960), (136, 1395590), (140, 1355716), (170, 1116472), (238, 797480), (272, 697795), (280, 677858), (340, 558236), (476, 398740), (560, 338929), (595, 318992), (680, 279118), (952, 199370), (1190, 159496), (1360, 139559), (1904, 99685), (2380, 79748), (4760, 39874), (9520, 19937)]