426515620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{3313}}^1$

素因数の和:3520

約数の個数: 48

約数和(自身を含む): 923651568

約数和(自身を除く): 497135948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 3140, 3313, 6437, 6626, 12874, 13252, 16565, 25748, 32185, 33130, 64370, 66260, 128740, 135833, 271666, 520141, 543332, 679165, 1040282, 1358330, 2080564, 2600705, 2716660, 5201410, 10402820, 21325781, 42651562, 85303124, 106628905, 213257810, 426515620]

約数ペア:

[(1, 426515620), (2, 213257810), (4, 106628905), (5, 85303124), (10, 42651562), (20, 21325781), (41, 10402820), (82, 5201410), (157, 2716660), (164, 2600705), (205, 2080564), (314, 1358330), (410, 1040282), (628, 679165), (785, 543332), (820, 520141), (1570, 271666), (3140, 135833), (3313, 128740), (6437, 66260), (6626, 64370), (12874, 33130), (13252, 32185), (16565, 25748)]