12396740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 29379672

約数和(自身を除く): 16982932

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 101, 170, 190, 202, 323, 340, 361, 380, 404, 505, 646, 722, 1010, 1292, 1444, 1615, 1717, 1805, 1919, 2020, 3230, 3434, 3610, 3838, 6137, 6460, 6868, 7220, 7676, 8585, 9595, 12274, 17170, 19190, 24548, 30685, 32623, 34340, 36461, 38380, 61370, 65246, 72922, 122740, 130492, 145844, 163115, 182305, 326230, 364610, 619837, 652460, 729220, 1239674, 2479348, 3099185, 6198370, 12396740]

約数ペア:

[(1, 12396740), (2, 6198370), (4, 3099185), (5, 2479348), (10, 1239674), (17, 729220), (19, 652460), (20, 619837), (34, 364610), (38, 326230), (68, 182305), (76, 163115), (85, 145844), (95, 130492), (101, 122740), (170, 72922), (190, 65246), (202, 61370), (323, 38380), (340, 36461), (361, 34340), (380, 32623), (404, 30685), (505, 24548), (646, 19190), (722, 17170), (1010, 12274), (1292, 9595), (1444, 8585), (1615, 7676), (1717, 7220), (1805, 6868), (1919, 6460), (2020, 6137), (3230, 3838), (3434, 3610)]