1755380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2357260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 101, 110, 158, 202, 220, 316, 395, 404, 505, 790, 869, 1010, 1111, 1580, 1738, 2020, 2222, 3476, 4345, 4444, 5555, 7979, 8690, 11110, 15958, 17380, 22220, 31916, 39895, 79790, 87769, 159580, 175538, 351076, 438845, 877690, 1755380]

約数ペア:

[(1, 1755380), (2, 877690), (4, 438845), (5, 351076), (10, 175538), (11, 159580), (20, 87769), (22, 79790), (44, 39895), (55, 31916), (79, 22220), (101, 17380), (110, 15958), (158, 11110), (202, 8690), (220, 7979), (316, 5555), (395, 4444), (404, 4345), (505, 3476), (790, 2222), (869, 2020), (1010, 1738), (1111, 1580)]