215522270

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{272813}}^1$

素因数の和:272899

約数の個数: 16

約数和(自身を含む): 392852160

約数和(自身を除く): 177329890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 272813, 545626, 1364065, 2728130, 21552227, 43104454, 107761135, 215522270]

約数ペア:

[(1, 215522270), (2, 107761135), (5, 43104454), (10, 21552227), (79, 2728130), (158, 1364065), (395, 545626), (790, 272813)]