212126260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5527}}^1$

素因数の和:5656

約数の個数: 48

約数和(自身を含む): 473639040

約数和(自身を除く): 261512780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 5527, 7676, 9595, 11054, 19190, 22108, 27635, 38380, 55270, 105013, 110540, 210026, 420052, 525065, 558227, 1050130, 1116454, 2100260, 2232908, 2791135, 5582270, 10606313, 11164540, 21212626, 42425252, 53031565, 106063130, 212126260]

約数ペア:

[(1, 212126260), (2, 106063130), (4, 53031565), (5, 42425252), (10, 21212626), (19, 11164540), (20, 10606313), (38, 5582270), (76, 2791135), (95, 2232908), (101, 2100260), (190, 1116454), (202, 1050130), (380, 558227), (404, 525065), (505, 420052), (1010, 210026), (1919, 110540), (2020, 105013), (3838, 55270), (5527, 38380), (7676, 27635), (9595, 22108), (11054, 19190)]