393890710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109111}}^1$

素因数の和:109156

約数の個数: 24

約数和(自身を含む): 748290096

約数和(自身を除く): 354399386

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 109111, 218222, 545555, 1091110, 2073109, 4146218, 10365545, 20731090, 39389071, 78778142, 196945355, 393890710]

約数ペア:

[(1, 393890710), (2, 196945355), (5, 78778142), (10, 39389071), (19, 20731090), (38, 10365545), (95, 4146218), (190, 2073109), (361, 1091110), (722, 545555), (1805, 218222), (3610, 109111)]