31288770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1747}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 81806400

約数和(自身を除く): 50517630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1747, 1791, 1990, 2985, 3494, 3582, 5241, 5970, 8735, 8955, 10482, 15723, 17470, 17910, 26205, 31446, 52410, 78615, 157230, 347653, 695306, 1042959, 1738265, 2085918, 3128877, 3476530, 5214795, 6257754, 10429590, 15644385, 31288770]

約数ペア:

[(1, 31288770), (2, 15644385), (3, 10429590), (5, 6257754), (6, 5214795), (9, 3476530), (10, 3128877), (15, 2085918), (18, 1738265), (30, 1042959), (45, 695306), (90, 347653), (199, 157230), (398, 78615), (597, 52410), (995, 31446), (1194, 26205), (1747, 17910), (1791, 17470), (1990, 15723), (2985, 10482), (3494, 8955), (3582, 8735), (5241, 5970)]