74385520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 190353888

約数和(自身を除く): 115968368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 617, 685, 880, 1096, 1234, 1370, 1507, 2192, 2468, 2740, 3014, 3085, 4936, 5480, 6028, 6170, 6787, 7535, 9872, 10960, 12056, 12340, 13574, 15070, 24112, 24680, 27148, 30140, 33935, 49360, 54296, 60280, 67870, 84529, 108592, 120560, 135740, 169058, 271480, 338116, 422645, 542960, 676232, 845290, 929819, 1352464, 1690580, 1859638, 3381160, 3719276, 4649095, 6762320, 7438552, 9298190, 14877104, 18596380, 37192760, 74385520]

約数ペア:

[(1, 74385520), (2, 37192760), (4, 18596380), (5, 14877104), (8, 9298190), (10, 7438552), (11, 6762320), (16, 4649095), (20, 3719276), (22, 3381160), (40, 1859638), (44, 1690580), (55, 1352464), (80, 929819), (88, 845290), (110, 676232), (137, 542960), (176, 422645), (220, 338116), (274, 271480), (440, 169058), (548, 135740), (617, 120560), (685, 108592), (880, 84529), (1096, 67870), (1234, 60280), (1370, 54296), (1507, 49360), (2192, 33935), (2468, 30140), (2740, 27148), (3014, 24680), (3085, 24112), (4936, 15070), (5480, 13574), (6028, 12340), (6170, 12056), (6787, 10960), (7535, 9872)]