1940840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{401}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 4811940

約数和(自身を除く): 2871100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 401, 440, 484, 605, 802, 968, 1210, 1604, 2005, 2420, 3208, 4010, 4411, 4840, 8020, 8822, 16040, 17644, 22055, 35288, 44110, 48521, 88220, 97042, 176440, 194084, 242605, 388168, 485210, 970420, 1940840]

約数ペア:

[(1, 1940840), (2, 970420), (4, 485210), (5, 388168), (8, 242605), (10, 194084), (11, 176440), (20, 97042), (22, 88220), (40, 48521), (44, 44110), (55, 35288), (88, 22055), (110, 17644), (121, 16040), (220, 8822), (242, 8020), (401, 4840), (440, 4411), (484, 4010), (605, 3208), (802, 2420), (968, 2005), (1210, 1604)]