408013220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{2053}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 904088640

約数和(自身を除く): 496075420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 523, 1046, 2053, 2092, 2615, 4106, 5230, 8212, 9937, 10265, 10460, 19874, 20530, 39007, 39748, 41060, 49685, 78014, 99370, 156028, 195035, 198740, 390070, 780140, 1073719, 2147438, 4294876, 5368595, 10737190, 20400661, 21474380, 40801322, 81602644, 102003305, 204006610, 408013220]

約数ペア:

[(1, 408013220), (2, 204006610), (4, 102003305), (5, 81602644), (10, 40801322), (19, 21474380), (20, 20400661), (38, 10737190), (76, 5368595), (95, 4294876), (190, 2147438), (380, 1073719), (523, 780140), (1046, 390070), (2053, 198740), (2092, 195035), (2615, 156028), (4106, 99370), (5230, 78014), (8212, 49685), (9937, 41060), (10265, 39748), (10460, 39007), (19874, 20530)]