1640278850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{99713}}^1$

素因数の和:99779

約数の個数: 48

約数和(自身を含む): 3560986368

約数和(自身を除く): 1920707518

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1645, 2350, 3290, 8225, 16450, 99713, 199426, 498565, 697991, 997130, 1395982, 2492825, 3489955, 4686511, 4985650, 6979910, 9373022, 17449775, 23432555, 32805577, 34899550, 46865110, 65611154, 117162775, 164027885, 234325550, 328055770, 820139425, 1640278850]

約数ペア:

[(1, 1640278850), (2, 820139425), (5, 328055770), (7, 234325550), (10, 164027885), (14, 117162775), (25, 65611154), (35, 46865110), (47, 34899550), (50, 32805577), (70, 23432555), (94, 17449775), (175, 9373022), (235, 6979910), (329, 4985650), (350, 4686511), (470, 3489955), (658, 2492825), (1175, 1395982), (1645, 997130), (2350, 697991), (3290, 498565), (8225, 199426), (16450, 99713)]