289402012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 533191680

約数和(自身を除く): 243789668

約数列:

[1, 2, 4, 37, 74, 89, 127, 148, 173, 178, 254, 346, 356, 508, 692, 3293, 4699, 6401, 6586, 9398, 11303, 12802, 13172, 15397, 18796, 21971, 22606, 25604, 30794, 43942, 45212, 61588, 87884, 418211, 569689, 812927, 836422, 1139378, 1625854, 1672844, 1955419, 2278756, 3251708, 3910838, 7821676, 72350503, 144701006, 289402012]

約数ペア:

[(1, 289402012), (2, 144701006), (4, 72350503), (37, 7821676), (74, 3910838), (89, 3251708), (127, 2278756), (148, 1955419), (173, 1672844), (178, 1625854), (254, 1139378), (346, 836422), (356, 812927), (508, 569689), (692, 418211), (3293, 87884), (4699, 61588), (6401, 45212), (6586, 43942), (9398, 30794), (11303, 25604), (12802, 22606), (13172, 21971), (15397, 18796)]