28737590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2063}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 59443200

約数和(自身を除く): 30705610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2063, 2786, 4126, 6965, 10315, 13930, 14441, 20630, 28882, 72205, 144410, 410537, 821074, 2052685, 2873759, 4105370, 5747518, 14368795, 28737590]

約数ペア:

[(1, 28737590), (2, 14368795), (5, 5747518), (7, 4105370), (10, 2873759), (14, 2052685), (35, 821074), (70, 410537), (199, 144410), (398, 72205), (995, 28882), (1393, 20630), (1990, 14441), (2063, 13930), (2786, 10315), (4126, 6965)]