166821250

素因数分解:

$2^1\times 5^4\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:760

約数の個数: 40

約数和(自身を含む): 314421228

約数和(自身を除く): 147599978

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 317, 421, 625, 634, 842, 1250, 1585, 2105, 3170, 4210, 7925, 10525, 15850, 21050, 39625, 52625, 79250, 105250, 133457, 198125, 263125, 266914, 396250, 526250, 667285, 1334570, 3336425, 6672850, 16682125, 33364250, 83410625, 166821250]

約数ペア:

[(1, 166821250), (2, 83410625), (5, 33364250), (10, 16682125), (25, 6672850), (50, 3336425), (125, 1334570), (250, 667285), (317, 526250), (421, 396250), (625, 266914), (634, 263125), (842, 198125), (1250, 133457), (1585, 105250), (2105, 79250), (3170, 52625), (4210, 39625), (7925, 21050), (10525, 15850)]