42891500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 94654560

約数和(自身を除く): 51763060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 545, 787, 1090, 1574, 2180, 2725, 3148, 3935, 5450, 7870, 10900, 13625, 15740, 19675, 27250, 39350, 54500, 78700, 85783, 98375, 171566, 196750, 343132, 393500, 428915, 857830, 1715660, 2144575, 4289150, 8578300, 10722875, 21445750, 42891500]

約数ペア:

[(1, 42891500), (2, 21445750), (4, 10722875), (5, 8578300), (10, 4289150), (20, 2144575), (25, 1715660), (50, 857830), (100, 428915), (109, 393500), (125, 343132), (218, 196750), (250, 171566), (436, 98375), (500, 85783), (545, 78700), (787, 54500), (1090, 39350), (1574, 27250), (2180, 19675), (2725, 15740), (3148, 13625), (3935, 10900), (5450, 7870)]