121987000

素因数分解:

$2^3\times 5^3\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 287352000

約数和(自身を除く): 165365000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 199, 200, 250, 398, 500, 613, 796, 995, 1000, 1226, 1592, 1990, 2452, 3065, 3980, 4904, 4975, 6130, 7960, 9950, 12260, 15325, 19900, 24520, 24875, 30650, 39800, 49750, 61300, 76625, 99500, 121987, 122600, 153250, 199000, 243974, 306500, 487948, 609935, 613000, 975896, 1219870, 2439740, 3049675, 4879480, 6099350, 12198700, 15248375, 24397400, 30496750, 60993500, 121987000]

約数ペア:

[(1, 121987000), (2, 60993500), (4, 30496750), (5, 24397400), (8, 15248375), (10, 12198700), (20, 6099350), (25, 4879480), (40, 3049675), (50, 2439740), (100, 1219870), (125, 975896), (199, 613000), (200, 609935), (250, 487948), (398, 306500), (500, 243974), (613, 199000), (796, 153250), (995, 122600), (1000, 121987), (1226, 99500), (1592, 76625), (1990, 61300), (2452, 49750), (3065, 39800), (3980, 30650), (4904, 24875), (4975, 24520), (6130, 19900), (7960, 15325), (9950, 12260)]