1255367740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{518747}}^1$

素因数の和:518778

約数の個数: 36

約数和(自身を含む): 2897726328

約数和(自身を除く): 1642358588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 518747, 1037494, 2074988, 2593735, 5187470, 5706217, 10374940, 11412434, 22824868, 28531085, 57062170, 62768387, 114124340, 125536774, 251073548, 313841935, 627683870, 1255367740]

約数ペア:

[(1, 1255367740), (2, 627683870), (4, 313841935), (5, 251073548), (10, 125536774), (11, 114124340), (20, 62768387), (22, 57062170), (44, 28531085), (55, 22824868), (110, 11412434), (121, 10374940), (220, 5706217), (242, 5187470), (484, 2593735), (605, 2074988), (1210, 1037494), (2420, 518747)]