1285267670

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{2377}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 2337098400

約数和(自身を除く): 1051830730

約数列:

[1, 2, 5, 10, 139, 278, 389, 695, 778, 1390, 1945, 2377, 3890, 4754, 11885, 23770, 54071, 108142, 270355, 330403, 540710, 660806, 924653, 1652015, 1849306, 3304030, 4623265, 9246530, 128526767, 257053534, 642633835, 1285267670]

約数ペア:

[(1, 1285267670), (2, 642633835), (5, 257053534), (10, 128526767), (139, 9246530), (278, 4623265), (389, 3304030), (695, 1849306), (778, 1652015), (1390, 924653), (1945, 660806), (2377, 540710), (3890, 330403), (4754, 270355), (11885, 108142), (23770, 54071)]