149170400

素因数分解:

$2^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{937}}^1$

素因数の和:1156

約数の個数: 72

約数和(自身を含む): 366382800

約数和(自身を除く): 217212400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 199, 200, 398, 400, 796, 800, 937, 995, 1592, 1874, 1990, 3184, 3748, 3980, 4685, 4975, 6368, 7496, 7960, 9370, 9950, 14992, 15920, 18740, 19900, 23425, 29984, 31840, 37480, 39800, 46850, 74960, 79600, 93700, 149920, 159200, 186463, 187400, 372926, 374800, 745852, 749600, 932315, 1491704, 1864630, 2983408, 3729260, 4661575, 5966816, 7458520, 9323150, 14917040, 18646300, 29834080, 37292600, 74585200, 149170400]

約数ペア:

[(1, 149170400), (2, 74585200), (4, 37292600), (5, 29834080), (8, 18646300), (10, 14917040), (16, 9323150), (20, 7458520), (25, 5966816), (32, 4661575), (40, 3729260), (50, 2983408), (80, 1864630), (100, 1491704), (160, 932315), (199, 749600), (200, 745852), (398, 374800), (400, 372926), (796, 187400), (800, 186463), (937, 159200), (995, 149920), (1592, 93700), (1874, 79600), (1990, 74960), (3184, 46850), (3748, 39800), (3980, 37480), (4685, 31840), (4975, 29984), (6368, 23425), (7496, 19900), (7960, 18740), (9370, 15920), (9950, 14992)]