405709380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2253941}}^1$

素因数の和:2253956

約数の個数: 36

約数和(自身を含む): 1230652332

約数和(自身を除く): 824942952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2253941, 4507882, 6761823, 9015764, 11269705, 13523646, 20285469, 22539410, 27047292, 33809115, 40570938, 45078820, 67618230, 81141876, 101427345, 135236460, 202854690, 405709380]

約数ペア:

[(1, 405709380), (2, 202854690), (3, 135236460), (4, 101427345), (5, 81141876), (6, 67618230), (9, 45078820), (10, 40570938), (12, 33809115), (15, 27047292), (18, 22539410), (20, 20285469), (30, 13523646), (36, 11269705), (45, 9015764), (60, 6761823), (90, 4507882), (180, 2253941)]