172665260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{507839}}^1$

素因数の和:507865

約数の個数: 24

約数和(自身を含む): 383927040

約数和(自身を除く): 211261780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 507839, 1015678, 2031356, 2539195, 5078390, 8633263, 10156780, 17266526, 34533052, 43166315, 86332630, 172665260]

約数ペア:

[(1, 172665260), (2, 86332630), (4, 43166315), (5, 34533052), (10, 17266526), (17, 10156780), (20, 8633263), (34, 5078390), (68, 2539195), (85, 2031356), (170, 1015678), (340, 507839)]