42789250

素因数分解:

$2^1\times 5^3\times 7^3\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 93600000

約数和(自身を除く): 50810750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 343, 350, 490, 499, 686, 875, 998, 1225, 1715, 1750, 2450, 2495, 3430, 3493, 4990, 6125, 6986, 8575, 12250, 12475, 17150, 17465, 24451, 24950, 34930, 42875, 48902, 62375, 85750, 87325, 122255, 124750, 171157, 174650, 244510, 342314, 436625, 611275, 855785, 873250, 1222550, 1711570, 3056375, 4278925, 6112750, 8557850, 21394625, 42789250]

約数ペア:

[(1, 42789250), (2, 21394625), (5, 8557850), (7, 6112750), (10, 4278925), (14, 3056375), (25, 1711570), (35, 1222550), (49, 873250), (50, 855785), (70, 611275), (98, 436625), (125, 342314), (175, 244510), (245, 174650), (250, 171157), (343, 124750), (350, 122255), (490, 87325), (499, 85750), (686, 62375), (875, 48902), (998, 42875), (1225, 34930), (1715, 24950), (1750, 24451), (2450, 17465), (2495, 17150), (3430, 12475), (3493, 12250), (4990, 8575), (6125, 6986)]