71724620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17159}}^1$

素因数の和:17198

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 101248180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 17159, 34318, 68636, 85795, 171590, 188749, 326021, 343180, 377498, 652042, 754996, 943745, 1304084, 1630105, 1887490, 3260210, 3586231, 3774980, 6520420, 7172462, 14344924, 17931155, 35862310, 71724620]

約数ペア:

[(1, 71724620), (2, 35862310), (4, 17931155), (5, 14344924), (10, 7172462), (11, 6520420), (19, 3774980), (20, 3586231), (22, 3260210), (38, 1887490), (44, 1630105), (55, 1304084), (76, 943745), (95, 754996), (110, 652042), (190, 377498), (209, 343180), (220, 326021), (380, 188749), (418, 171590), (836, 85795), (1045, 68636), (2090, 34318), (4180, 17159)]