38420990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 70519680

約数和(自身を除く): 32098690

約数列:

[1, 2, 5, 10, 131, 139, 211, 262, 278, 422, 655, 695, 1055, 1310, 1390, 2110, 18209, 27641, 29329, 36418, 55282, 58658, 91045, 138205, 146645, 182090, 276410, 293290, 3842099, 7684198, 19210495, 38420990]

約数ペア:

[(1, 38420990), (2, 19210495), (5, 7684198), (10, 3842099), (131, 293290), (139, 276410), (211, 182090), (262, 146645), (278, 138205), (422, 91045), (655, 58658), (695, 55282), (1055, 36418), (1310, 29329), (1390, 27641), (2110, 18209)]