207972910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 385560000

約数和(自身を除く): 177587090

約数列:

[1, 2, 5, 10, 41, 82, 199, 205, 398, 410, 995, 1990, 2549, 5098, 8159, 12745, 16318, 25490, 40795, 81590, 104509, 209018, 507251, 522545, 1014502, 1045090, 2536255, 5072510, 20797291, 41594582, 103986455, 207972910]

約数ペア:

[(1, 207972910), (2, 103986455), (5, 41594582), (10, 20797291), (41, 5072510), (82, 2536255), (199, 1045090), (205, 1014502), (398, 522545), (410, 507251), (995, 209018), (1990, 104509), (2549, 81590), (5098, 40795), (8159, 25490), (12745, 16318)]