206456260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 440496000

約数和(自身を除く): 234039740

約数列:

[1, 2, 4, 5, 10, 20, 137, 151, 274, 302, 499, 548, 604, 685, 755, 998, 1370, 1510, 1996, 2495, 2740, 3020, 4990, 9980, 20687, 41374, 68363, 75349, 82748, 103435, 136726, 150698, 206870, 273452, 301396, 341815, 376745, 413740, 683630, 753490, 1367260, 1506980, 10322813, 20645626, 41291252, 51614065, 103228130, 206456260]

約数ペア:

[(1, 206456260), (2, 103228130), (4, 51614065), (5, 41291252), (10, 20645626), (20, 10322813), (137, 1506980), (151, 1367260), (274, 753490), (302, 683630), (499, 413740), (548, 376745), (604, 341815), (685, 301396), (755, 273452), (998, 206870), (1370, 150698), (1510, 136726), (1996, 103435), (2495, 82748), (2740, 75349), (3020, 68363), (4990, 41374), (9980, 20687)]