209938140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1166323}}^1$

素因数の和:1166338

約数の個数: 36

約数和(自身を含む): 636812904

約数和(自身を除く): 426874764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1166323, 2332646, 3498969, 4665292, 5831615, 6997938, 10496907, 11663230, 13995876, 17494845, 20993814, 23326460, 34989690, 41987628, 52484535, 69979380, 104969070, 209938140]

約数ペア:

[(1, 209938140), (2, 104969070), (3, 69979380), (4, 52484535), (5, 41987628), (6, 34989690), (9, 23326460), (10, 20993814), (12, 17494845), (15, 13995876), (18, 11663230), (20, 10496907), (30, 6997938), (36, 5831615), (45, 4665292), (60, 3498969), (90, 2332646), (180, 1166323)]