6404140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:934

約数の個数: 36

約数和(自身を含む): 14209776

約数和(自身を除く): 7805636

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 887, 1444, 1774, 1805, 3548, 3610, 4435, 7220, 8870, 16853, 17740, 33706, 67412, 84265, 168530, 320207, 337060, 640414, 1280828, 1601035, 3202070, 6404140]

約数ペア:

[(1, 6404140), (2, 3202070), (4, 1601035), (5, 1280828), (10, 640414), (19, 337060), (20, 320207), (38, 168530), (76, 84265), (95, 67412), (190, 33706), (361, 17740), (380, 16853), (722, 8870), (887, 7220), (1444, 4435), (1774, 3610), (1805, 3548)]