11111010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 28494720

約数和(自身を除く): 17383710

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 193, 202, 285, 303, 386, 505, 570, 579, 606, 965, 1010, 1158, 1515, 1919, 1930, 2895, 3030, 3667, 3838, 5757, 5790, 7334, 9595, 11001, 11514, 18335, 19190, 19493, 22002, 28785, 36670, 38986, 55005, 57570, 58479, 97465, 110010, 116958, 194930, 292395, 370367, 584790, 740734, 1111101, 1851835, 2222202, 3703670, 5555505, 11111010]

約数ペア:

[(1, 11111010), (2, 5555505), (3, 3703670), (5, 2222202), (6, 1851835), (10, 1111101), (15, 740734), (19, 584790), (30, 370367), (38, 292395), (57, 194930), (95, 116958), (101, 110010), (114, 97465), (190, 58479), (193, 57570), (202, 55005), (285, 38986), (303, 36670), (386, 28785), (505, 22002), (570, 19493), (579, 19190), (606, 18335), (965, 11514), (1010, 11001), (1158, 9595), (1515, 7334), (1919, 5790), (1930, 5757), (2895, 3838), (3030, 3667)]