159755000

素因数分解:

$2^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 379566000

約数和(自身を除く): 219811000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 359, 445, 500, 625, 712, 718, 890, 1000, 1250, 1436, 1780, 1795, 2225, 2500, 2872, 3560, 3590, 4450, 5000, 7180, 8900, 8975, 11125, 14360, 17800, 17950, 22250, 31951, 35900, 44500, 44875, 55625, 63902, 71800, 89000, 89750, 111250, 127804, 159755, 179500, 222500, 224375, 255608, 319510, 359000, 445000, 448750, 639020, 798775, 897500, 1278040, 1597550, 1795000, 3195100, 3993875, 6390200, 7987750, 15975500, 19969375, 31951000, 39938750, 79877500, 159755000]

約数ペア:

[(1, 159755000), (2, 79877500), (4, 39938750), (5, 31951000), (8, 19969375), (10, 15975500), (20, 7987750), (25, 6390200), (40, 3993875), (50, 3195100), (89, 1795000), (100, 1597550), (125, 1278040), (178, 897500), (200, 798775), (250, 639020), (356, 448750), (359, 445000), (445, 359000), (500, 319510), (625, 255608), (712, 224375), (718, 222500), (890, 179500), (1000, 159755), (1250, 127804), (1436, 111250), (1780, 89750), (1795, 89000), (2225, 71800), (2500, 63902), (2872, 55625), (3560, 44875), (3590, 44500), (4450, 35900), (5000, 31951), (7180, 22250), (8900, 17950), (8975, 17800), (11125, 14360)]