7505740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 17408160

約数和(自身を除く): 9902420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 313, 436, 545, 626, 1090, 1199, 1252, 1565, 2180, 2398, 3130, 3443, 4796, 5995, 6260, 6886, 11990, 13772, 17215, 23980, 34117, 34430, 68234, 68860, 136468, 170585, 341170, 375287, 682340, 750574, 1501148, 1876435, 3752870, 7505740]

約数ペア:

[(1, 7505740), (2, 3752870), (4, 1876435), (5, 1501148), (10, 750574), (11, 682340), (20, 375287), (22, 341170), (44, 170585), (55, 136468), (109, 68860), (110, 68234), (218, 34430), (220, 34117), (313, 23980), (436, 17215), (545, 13772), (626, 11990), (1090, 6886), (1199, 6260), (1252, 5995), (1565, 4796), (2180, 3443), (2398, 3130)]