199020420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1105669}}^1$

素因数の和:1105684

約数の個数: 36

約数和(自身を含む): 603695820

約数和(自身を除く): 404675400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1105669, 2211338, 3317007, 4422676, 5528345, 6634014, 9951021, 11056690, 13268028, 16585035, 19902042, 22113380, 33170070, 39804084, 49755105, 66340140, 99510210, 199020420]

約数ペア:

[(1, 199020420), (2, 99510210), (3, 66340140), (4, 49755105), (5, 39804084), (6, 33170070), (9, 22113380), (10, 19902042), (12, 16585035), (15, 13268028), (18, 11056690), (20, 9951021), (30, 6634014), (36, 5528345), (45, 4422676), (60, 3317007), (90, 2211338), (180, 1105669)]