873800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 2159460

約数和(自身を除く): 1285660

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 257, 340, 425, 514, 680, 850, 1028, 1285, 1700, 2056, 2570, 3400, 4369, 5140, 6425, 8738, 10280, 12850, 17476, 21845, 25700, 34952, 43690, 51400, 87380, 109225, 174760, 218450, 436900, 873800]

約数ペア:

[(1, 873800), (2, 436900), (4, 218450), (5, 174760), (8, 109225), (10, 87380), (17, 51400), (20, 43690), (25, 34952), (34, 25700), (40, 21845), (50, 17476), (68, 12850), (85, 10280), (100, 8738), (136, 6425), (170, 5140), (200, 4369), (257, 3400), (340, 2570), (425, 2056), (514, 1700), (680, 1285), (850, 1028)]