223895375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 312215904

約数和(自身を除く): 88320529

約数列:

[1, 5, 11, 25, 55, 113, 121, 125, 131, 275, 565, 605, 655, 1243, 1375, 1441, 2825, 3025, 3275, 6215, 7205, 13673, 14125, 14803, 15125, 15851, 16375, 31075, 36025, 68365, 74015, 79255, 155375, 162833, 180125, 341825, 370075, 396275, 814165, 1709125, 1791163, 1850375, 1981375, 4070825, 8955815, 20354125, 44779075, 223895375]

約数ペア:

[(1, 223895375), (5, 44779075), (11, 20354125), (25, 8955815), (55, 4070825), (113, 1981375), (121, 1850375), (125, 1791163), (131, 1709125), (275, 814165), (565, 396275), (605, 370075), (655, 341825), (1243, 180125), (1375, 162833), (1441, 155375), (2825, 79255), (3025, 74015), (3275, 68365), (6215, 36025), (7205, 31075), (13673, 16375), (14125, 15851), (14803, 15125)]