119728190

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{28439}}^1$

素因数の和:28867

約数の個数: 16

約数和(自身を含む): 216030240

約数和(自身を除く): 96302050

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 28439, 56878, 142195, 284390, 11972819, 23945638, 59864095, 119728190]

約数ペア:

[(1, 119728190), (2, 59864095), (5, 23945638), (10, 11972819), (421, 284390), (842, 142195), (2105, 56878), (4210, 28439)]