520000812

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{390391}}^1$

素因数の和:390438

約数の個数: 36

約数和(自身を含む): 1349975536

約数和(自身を除く): 829974724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 390391, 780782, 1171173, 1561564, 2342346, 3513519, 4684692, 7027038, 14054076, 14444467, 28888934, 43333401, 57777868, 86666802, 130000203, 173333604, 260000406, 520000812]

約数ペア:

[(1, 520000812), (2, 260000406), (3, 173333604), (4, 130000203), (6, 86666802), (9, 57777868), (12, 43333401), (18, 28888934), (36, 14444467), (37, 14054076), (74, 7027038), (111, 4684692), (148, 3513519), (222, 2342346), (333, 1561564), (444, 1171173), (666, 780782), (1332, 390391)]