82102900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 196549920

約数和(自身を除く): 114447020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 275, 404, 505, 550, 739, 1010, 1100, 1111, 1478, 2020, 2222, 2525, 2956, 3695, 4444, 5050, 5555, 7390, 8129, 10100, 11110, 14780, 16258, 18475, 22220, 27775, 32516, 36950, 40645, 55550, 73900, 74639, 81290, 111100, 149278, 162580, 203225, 298556, 373195, 406450, 746390, 812900, 821029, 1492780, 1642058, 1865975, 3284116, 3731950, 4105145, 7463900, 8210290, 16420580, 20525725, 41051450, 82102900]

約数ペア:

[(1, 82102900), (2, 41051450), (4, 20525725), (5, 16420580), (10, 8210290), (11, 7463900), (20, 4105145), (22, 3731950), (25, 3284116), (44, 1865975), (50, 1642058), (55, 1492780), (100, 821029), (101, 812900), (110, 746390), (202, 406450), (220, 373195), (275, 298556), (404, 203225), (505, 162580), (550, 149278), (739, 111100), (1010, 81290), (1100, 74639), (1111, 73900), (1478, 55550), (2020, 40645), (2222, 36950), (2525, 32516), (2956, 27775), (3695, 22220), (4444, 18475), (5050, 16258), (5555, 14780), (7390, 11110), (8129, 10100)]