28438550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 60909792

約数和(自身を除く): 32471242

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 421, 842, 965, 1351, 1930, 2105, 2702, 2947, 4210, 4825, 5894, 6755, 9650, 10525, 13510, 14735, 21050, 29470, 33775, 67550, 73675, 81253, 147350, 162506, 406265, 568771, 812530, 1137542, 2031325, 2843855, 4062650, 5687710, 14219275, 28438550]

約数ペア:

[(1, 28438550), (2, 14219275), (5, 5687710), (7, 4062650), (10, 2843855), (14, 2031325), (25, 1137542), (35, 812530), (50, 568771), (70, 406265), (175, 162506), (193, 147350), (350, 81253), (386, 73675), (421, 67550), (842, 33775), (965, 29470), (1351, 21050), (1930, 14735), (2105, 13510), (2702, 10525), (2947, 9650), (4210, 6755), (4825, 5894)]