90841510

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 165888000

約数和(自身を除く): 75046490

約数列:

[1, 2, 5, 10, 191, 199, 239, 382, 398, 478, 955, 995, 1195, 1910, 1990, 2390, 38009, 45649, 47561, 76018, 91298, 95122, 190045, 228245, 237805, 380090, 456490, 475610, 9084151, 18168302, 45420755, 90841510]

約数ペア:

[(1, 90841510), (2, 45420755), (5, 18168302), (10, 9084151), (191, 475610), (199, 456490), (239, 380090), (382, 237805), (398, 228245), (478, 190045), (955, 95122), (995, 91298), (1195, 76018), (1910, 47561), (1990, 45649), (2390, 38009)]