71981100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{79979}}^1$

素因数の和:79999

約数の個数: 54

約数和(自身を含む): 225623580

約数和(自身を除く): 153642480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 79979, 159958, 239937, 319916, 399895, 479874, 719811, 799790, 959748, 1199685, 1439622, 1599580, 1999475, 2399370, 2879244, 3599055, 3998950, 4798740, 5998425, 7198110, 7997900, 11996850, 14396220, 17995275, 23993700, 35990550, 71981100]

約数ペア:

[(1, 71981100), (2, 35990550), (3, 23993700), (4, 17995275), (5, 14396220), (6, 11996850), (9, 7997900), (10, 7198110), (12, 5998425), (15, 4798740), (18, 3998950), (20, 3599055), (25, 2879244), (30, 2399370), (36, 1999475), (45, 1599580), (50, 1439622), (60, 1199685), (75, 959748), (90, 799790), (100, 719811), (150, 479874), (180, 399895), (225, 319916), (300, 239937), (450, 159958), (900, 79979)]