213486800

素因数分解:

$2^4\times 5^2\times {\mathrm{491}}^1\times {\mathrm{1087}}^1$

素因数の和:1596

約数の個数: 60

約数和(自身を含む): 514419456

約数和(自身を除く): 300932656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 491, 982, 1087, 1964, 2174, 2455, 3928, 4348, 4910, 5435, 7856, 8696, 9820, 10870, 12275, 17392, 19640, 21740, 24550, 27175, 39280, 43480, 49100, 54350, 86960, 98200, 108700, 196400, 217400, 434800, 533717, 1067434, 2134868, 2668585, 4269736, 5337170, 8539472, 10674340, 13342925, 21348680, 26685850, 42697360, 53371700, 106743400, 213486800]

約数ペア:

[(1, 213486800), (2, 106743400), (4, 53371700), (5, 42697360), (8, 26685850), (10, 21348680), (16, 13342925), (20, 10674340), (25, 8539472), (40, 5337170), (50, 4269736), (80, 2668585), (100, 2134868), (200, 1067434), (400, 533717), (491, 434800), (982, 217400), (1087, 196400), (1964, 108700), (2174, 98200), (2455, 86960), (3928, 54350), (4348, 49100), (4910, 43480), (5435, 39280), (7856, 27175), (8696, 24550), (9820, 21740), (10870, 19640), (12275, 17392)]