212711000

素因数分解:

$2^3\times 5^3\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 499992480

約数和(自身を除く): 287281480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 347, 500, 613, 694, 1000, 1226, 1388, 1735, 2452, 2776, 3065, 3470, 4904, 6130, 6940, 8675, 12260, 13880, 15325, 17350, 24520, 30650, 34700, 43375, 61300, 69400, 76625, 86750, 122600, 153250, 173500, 212711, 306500, 347000, 425422, 613000, 850844, 1063555, 1701688, 2127110, 4254220, 5317775, 8508440, 10635550, 21271100, 26588875, 42542200, 53177750, 106355500, 212711000]

約数ペア:

[(1, 212711000), (2, 106355500), (4, 53177750), (5, 42542200), (8, 26588875), (10, 21271100), (20, 10635550), (25, 8508440), (40, 5317775), (50, 4254220), (100, 2127110), (125, 1701688), (200, 1063555), (250, 850844), (347, 613000), (500, 425422), (613, 347000), (694, 306500), (1000, 212711), (1226, 173500), (1388, 153250), (1735, 122600), (2452, 86750), (2776, 76625), (3065, 69400), (3470, 61300), (4904, 43375), (6130, 34700), (6940, 30650), (8675, 24520), (12260, 17350), (13880, 15325)]