123178000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 120

約数和(自身を含む): 328025880

約数和(自身を除く): 204847880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 125, 176, 200, 220, 242, 250, 275, 400, 440, 484, 500, 509, 550, 605, 880, 968, 1000, 1018, 1100, 1210, 1375, 1936, 2000, 2036, 2200, 2420, 2545, 2750, 3025, 4072, 4400, 4840, 5090, 5500, 5599, 6050, 8144, 9680, 10180, 11000, 11198, 12100, 12725, 15125, 20360, 22000, 22396, 24200, 25450, 27995, 30250, 40720, 44792, 48400, 50900, 55990, 60500, 61589, 63625, 89584, 101800, 111980, 121000, 123178, 127250, 139975, 203600, 223960, 242000, 246356, 254500, 279950, 307945, 447920, 492712, 509000, 559900, 615890, 699875, 985424, 1018000, 1119800, 1231780, 1399750, 1539725, 2239600, 2463560, 2799500, 3079450, 4927120, 5599000, 6158900, 7698625, 11198000, 12317800, 15397250, 24635600, 30794500, 61589000, 123178000]

約数ペア:

[(1, 123178000), (2, 61589000), (4, 30794500), (5, 24635600), (8, 15397250), (10, 12317800), (11, 11198000), (16, 7698625), (20, 6158900), (22, 5599000), (25, 4927120), (40, 3079450), (44, 2799500), (50, 2463560), (55, 2239600), (80, 1539725), (88, 1399750), (100, 1231780), (110, 1119800), (121, 1018000), (125, 985424), (176, 699875), (200, 615890), (220, 559900), (242, 509000), (250, 492712), (275, 447920), (400, 307945), (440, 279950), (484, 254500), (500, 246356), (509, 242000), (550, 223960), (605, 203600), (880, 139975), (968, 127250), (1000, 123178), (1018, 121000), (1100, 111980), (1210, 101800), (1375, 89584), (1936, 63625), (2000, 61589), (2036, 60500), (2200, 55990), (2420, 50900), (2545, 48400), (2750, 44792), (3025, 40720), (4072, 30250), (4400, 27995), (4840, 25450), (5090, 24200), (5500, 22396), (5599, 22000), (6050, 20360), (8144, 15125), (9680, 12725), (10180, 12100), (11000, 11198)]