209515530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{997693}}^1$

素因数の和:997710

約数の個数: 32

約数和(自身を含む): 574671744

約数和(自身を除く): 365156214

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 997693, 1995386, 2993079, 4988465, 5986158, 6983851, 9976930, 13967702, 14965395, 20951553, 29930790, 34919255, 41903106, 69838510, 104757765, 209515530]

約数ペア:

[(1, 209515530), (2, 104757765), (3, 69838510), (5, 41903106), (6, 34919255), (7, 29930790), (10, 20951553), (14, 14965395), (15, 13967702), (21, 9976930), (30, 6983851), (35, 5986158), (42, 4988465), (70, 2993079), (105, 1995386), (210, 997693)]