68543750

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 140334768

約数和(自身を除く): 71791018

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 997, 1250, 1375, 1994, 2750, 3125, 4985, 6250, 6875, 9970, 10967, 13750, 21934, 24925, 34375, 49850, 54835, 68750, 109670, 124625, 249250, 274175, 548350, 623125, 1246250, 1370875, 2741750, 3115625, 6231250, 6854375, 13708750, 34271875, 68543750]

約数ペア:

[(1, 68543750), (2, 34271875), (5, 13708750), (10, 6854375), (11, 6231250), (22, 3115625), (25, 2741750), (50, 1370875), (55, 1246250), (110, 623125), (125, 548350), (250, 274175), (275, 249250), (550, 124625), (625, 109670), (997, 68750), (1250, 54835), (1375, 49850), (1994, 34375), (2750, 24925), (3125, 21934), (4985, 13750), (6250, 10967), (6875, 9970)]