207612920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 483451200

約数和(自身を除く): 275838280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 151, 185, 296, 302, 370, 604, 740, 755, 929, 1208, 1480, 1510, 1858, 3020, 3716, 4645, 5587, 6040, 7432, 9290, 11174, 18580, 22348, 27935, 34373, 37160, 44696, 55870, 68746, 111740, 137492, 140279, 171865, 223480, 274984, 280558, 343730, 561116, 687460, 701395, 1122232, 1374920, 1402790, 2805580, 5190323, 5611160, 10380646, 20761292, 25951615, 41522584, 51903230, 103806460, 207612920]

約数ペア:

[(1, 207612920), (2, 103806460), (4, 51903230), (5, 41522584), (8, 25951615), (10, 20761292), (20, 10380646), (37, 5611160), (40, 5190323), (74, 2805580), (148, 1402790), (151, 1374920), (185, 1122232), (296, 701395), (302, 687460), (370, 561116), (604, 343730), (740, 280558), (755, 274984), (929, 223480), (1208, 171865), (1480, 140279), (1510, 137492), (1858, 111740), (3020, 68746), (3716, 55870), (4645, 44696), (5587, 37160), (6040, 34373), (7432, 27935), (9290, 22348), (11174, 18580)]