740000

素因数分解:

$2^5\times 5^4\times {\mathrm{37}}^1$

素因数の和:67

約数の個数: 60

約数和(自身を含む): 1869714

約数和(自身を除く): 1129714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 125, 148, 160, 185, 200, 250, 296, 370, 400, 500, 592, 625, 740, 800, 925, 1000, 1184, 1250, 1480, 1850, 2000, 2500, 2960, 3700, 4000, 4625, 5000, 5920, 7400, 9250, 10000, 14800, 18500, 20000, 23125, 29600, 37000, 46250, 74000, 92500, 148000, 185000, 370000, 740000]

約数ペア:

[(1, 740000), (2, 370000), (4, 185000), (5, 148000), (8, 92500), (10, 74000), (16, 46250), (20, 37000), (25, 29600), (32, 23125), (37, 20000), (40, 18500), (50, 14800), (74, 10000), (80, 9250), (100, 7400), (125, 5920), (148, 5000), (160, 4625), (185, 4000), (200, 3700), (250, 2960), (296, 2500), (370, 2000), (400, 1850), (500, 1480), (592, 1250), (625, 1184), (740, 1000), (800, 925)]