199972620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1110959}}^1$

素因数の和:1110974

約数の個数: 36

約数和(自身を含む): 606584160

約数和(自身を除く): 406611540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1110959, 2221918, 3332877, 4443836, 5554795, 6665754, 9998631, 11109590, 13331508, 16664385, 19997262, 22219180, 33328770, 39994524, 49993155, 66657540, 99986310, 199972620]

約数ペア:

[(1, 199972620), (2, 99986310), (3, 66657540), (4, 49993155), (5, 39994524), (6, 33328770), (9, 22219180), (10, 19997262), (12, 16664385), (15, 13331508), (18, 11109590), (20, 9998631), (30, 6665754), (36, 5554795), (45, 4443836), (60, 3332877), (90, 2221918), (180, 1110959)]