71344900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 171239040

約数和(自身を除く): 99894140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 821, 869, 1100, 1580, 1642, 1738, 1975, 3284, 3476, 3950, 4105, 4345, 7900, 8210, 8690, 9031, 16420, 17380, 18062, 20525, 21725, 36124, 41050, 43450, 45155, 64859, 82100, 86900, 90310, 129718, 180620, 225775, 259436, 324295, 451550, 648590, 713449, 903100, 1297180, 1426898, 1621475, 2853796, 3242950, 3567245, 6485900, 7134490, 14268980, 17836225, 35672450, 71344900]

約数ペア:

[(1, 71344900), (2, 35672450), (4, 17836225), (5, 14268980), (10, 7134490), (11, 6485900), (20, 3567245), (22, 3242950), (25, 2853796), (44, 1621475), (50, 1426898), (55, 1297180), (79, 903100), (100, 713449), (110, 648590), (158, 451550), (220, 324295), (275, 259436), (316, 225775), (395, 180620), (550, 129718), (790, 90310), (821, 86900), (869, 82100), (1100, 64859), (1580, 45155), (1642, 43450), (1738, 41050), (1975, 36124), (3284, 21725), (3476, 20525), (3950, 18062), (4105, 17380), (4345, 16420), (7900, 9031), (8210, 8690)]