1967500

素因数分解:

$2^2\times 5^4\times {\mathrm{787}}^1$

素因数の和:811

約数の個数: 30

約数和(自身を含む): 4307996

約数和(自身を除く): 2340496

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 787, 1250, 1574, 2500, 3148, 3935, 7870, 15740, 19675, 39350, 78700, 98375, 196750, 393500, 491875, 983750, 1967500]

約数ペア:

[(1, 1967500), (2, 983750), (4, 491875), (5, 393500), (10, 196750), (20, 98375), (25, 78700), (50, 39350), (100, 19675), (125, 15740), (250, 7870), (500, 3935), (625, 3148), (787, 2500), (1250, 1574)]