40218710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 84829680

約数和(自身を除く): 44610970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 211, 245, 389, 422, 490, 778, 1055, 1477, 1945, 2110, 2723, 2954, 3890, 5446, 7385, 10339, 13615, 14770, 19061, 20678, 27230, 38122, 51695, 82079, 95305, 103390, 164158, 190610, 410395, 574553, 820790, 1149106, 2872765, 4021871, 5745530, 8043742, 20109355, 40218710]

約数ペア:

[(1, 40218710), (2, 20109355), (5, 8043742), (7, 5745530), (10, 4021871), (14, 2872765), (35, 1149106), (49, 820790), (70, 574553), (98, 410395), (211, 190610), (245, 164158), (389, 103390), (422, 95305), (490, 82079), (778, 51695), (1055, 38122), (1477, 27230), (1945, 20678), (2110, 19061), (2723, 14770), (2954, 13615), (3890, 10339), (5446, 7385)]