202488400

素因数分解:

$2^4\times 5^2\times {\mathrm{491}}^1\times {\mathrm{1031}}^1$

素因数の和:1540

約数の個数: 60

約数和(自身を含む): 487941984

約数和(自身を除く): 285453584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 491, 982, 1031, 1964, 2062, 2455, 3928, 4124, 4910, 5155, 7856, 8248, 9820, 10310, 12275, 16496, 19640, 20620, 24550, 25775, 39280, 41240, 49100, 51550, 82480, 98200, 103100, 196400, 206200, 412400, 506221, 1012442, 2024884, 2531105, 4049768, 5062210, 8099536, 10124420, 12655525, 20248840, 25311050, 40497680, 50622100, 101244200, 202488400]

約数ペア:

[(1, 202488400), (2, 101244200), (4, 50622100), (5, 40497680), (8, 25311050), (10, 20248840), (16, 12655525), (20, 10124420), (25, 8099536), (40, 5062210), (50, 4049768), (80, 2531105), (100, 2024884), (200, 1012442), (400, 506221), (491, 412400), (982, 206200), (1031, 196400), (1964, 103100), (2062, 98200), (2455, 82480), (3928, 51550), (4124, 49100), (4910, 41240), (5155, 39280), (7856, 25775), (8248, 24550), (9820, 20620), (10310, 19640), (12275, 16496)]