1999750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 3949920

約数和(自身を除く): 1950170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 421, 475, 842, 950, 2105, 2375, 4210, 4750, 7999, 10525, 15998, 21050, 39995, 52625, 79990, 105250, 199975, 399950, 999875, 1999750]

約数ペア:

[(1, 1999750), (2, 999875), (5, 399950), (10, 199975), (19, 105250), (25, 79990), (38, 52625), (50, 39995), (95, 21050), (125, 15998), (190, 10525), (250, 7999), (421, 4750), (475, 4210), (842, 2375), (950, 2105)]