291265850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 591591600

約数和(自身を除く): 300325750

約数列:

[1, 2, 5, 10, 25, 29, 37, 50, 58, 61, 74, 89, 122, 145, 178, 185, 290, 305, 370, 445, 610, 725, 890, 925, 1073, 1450, 1525, 1769, 1850, 2146, 2225, 2257, 2581, 3050, 3293, 3538, 4450, 4514, 5162, 5365, 5429, 6586, 8845, 10730, 10858, 11285, 12905, 16465, 17690, 22570, 25810, 26825, 27145, 32930, 44225, 53650, 54290, 56425, 64525, 65453, 82325, 88450, 95497, 112850, 129050, 130906, 135725, 157441, 164650, 190994, 200873, 271450, 314882, 327265, 401746, 477485, 654530, 787205, 954970, 1004365, 1574410, 1636325, 2008730, 2387425, 3272650, 3936025, 4774850, 5021825, 5825317, 7872050, 10043650, 11650634, 29126585, 58253170, 145632925, 291265850]

約数ペア:

[(1, 291265850), (2, 145632925), (5, 58253170), (10, 29126585), (25, 11650634), (29, 10043650), (37, 7872050), (50, 5825317), (58, 5021825), (61, 4774850), (74, 3936025), (89, 3272650), (122, 2387425), (145, 2008730), (178, 1636325), (185, 1574410), (290, 1004365), (305, 954970), (370, 787205), (445, 654530), (610, 477485), (725, 401746), (890, 327265), (925, 314882), (1073, 271450), (1450, 200873), (1525, 190994), (1769, 164650), (1850, 157441), (2146, 135725), (2225, 130906), (2257, 129050), (2581, 112850), (3050, 95497), (3293, 88450), (3538, 82325), (4450, 65453), (4514, 64525), (5162, 56425), (5365, 54290), (5429, 53650), (6586, 44225), (8845, 32930), (10730, 27145), (10858, 26825), (11285, 25810), (12905, 22570), (16465, 17690)]