12645567340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{405047}}^1$

素因数の和:405286

約数の個数: 48

約数和(自身を含む): 30485532672

約数和(自身を除く): 17839965332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 15610, 31220, 405047, 810094, 1620188, 2025235, 2835329, 4050470, 5670658, 8100940, 11341316, 14176645, 28353290, 56706580, 90325481, 180650962, 361301924, 451627405, 632278367, 903254810, 1264556734, 1806509620, 2529113468, 3161391835, 6322783670, 12645567340]

約数ペア:

[(1, 12645567340), (2, 6322783670), (4, 3161391835), (5, 2529113468), (7, 1806509620), (10, 1264556734), (14, 903254810), (20, 632278367), (28, 451627405), (35, 361301924), (70, 180650962), (140, 90325481), (223, 56706580), (446, 28353290), (892, 14176645), (1115, 11341316), (1561, 8100940), (2230, 5670658), (3122, 4050470), (4460, 2835329), (6244, 2025235), (7805, 1620188), (15610, 810094), (31220, 405047)]