686589680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1226053}}^1$

素因数の和:1226073

約数の個数: 40

約数和(自身を含む): 1824368352

約数和(自身を除く): 1137778672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1226053, 2452106, 4904212, 6130265, 8582371, 9808424, 12260530, 17164742, 19616848, 24521060, 34329484, 42911855, 49042120, 68658968, 85823710, 98084240, 137317936, 171647420, 343294840, 686589680]

約数ペア:

[(1, 686589680), (2, 343294840), (4, 171647420), (5, 137317936), (7, 98084240), (8, 85823710), (10, 68658968), (14, 49042120), (16, 42911855), (20, 34329484), (28, 24521060), (35, 19616848), (40, 17164742), (56, 12260530), (70, 9808424), (80, 8582371), (112, 6130265), (140, 4904212), (280, 2452106), (560, 1226053)]