208020500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{24473}}^1$

素因数の和:24509

約数の個数: 48

約数和(自身を含む): 481060944

約数和(自身を除く): 273040444

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 24473, 48946, 97892, 122365, 244730, 416041, 489460, 611825, 832082, 1223650, 1664164, 2080205, 2447300, 3059125, 4160410, 6118250, 8320820, 10401025, 12236500, 20802050, 41604100, 52005125, 104010250, 208020500]

約数ペア:

[(1, 208020500), (2, 104010250), (4, 52005125), (5, 41604100), (10, 20802050), (17, 12236500), (20, 10401025), (25, 8320820), (34, 6118250), (50, 4160410), (68, 3059125), (85, 2447300), (100, 2080205), (125, 1664164), (170, 1223650), (250, 832082), (340, 611825), (425, 489460), (500, 416041), (850, 244730), (1700, 122365), (2125, 97892), (4250, 48946), (8500, 24473)]