1305260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 3175200

約数和(自身を除く): 1869940

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 349, 374, 698, 748, 935, 1396, 1745, 1870, 3490, 3740, 3839, 5933, 6980, 7678, 11866, 15356, 19195, 23732, 29665, 38390, 59330, 65263, 76780, 118660, 130526, 261052, 326315, 652630, 1305260]

約数ペア:

[(1, 1305260), (2, 652630), (4, 326315), (5, 261052), (10, 130526), (11, 118660), (17, 76780), (20, 65263), (22, 59330), (34, 38390), (44, 29665), (55, 23732), (68, 19195), (85, 15356), (110, 11866), (170, 7678), (187, 6980), (220, 5933), (340, 3839), (349, 3740), (374, 3490), (698, 1870), (748, 1745), (935, 1396)]