1243180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 2656080

約数和(自身を除く): 1412900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1019, 1220, 2038, 4076, 5095, 10190, 20380, 62159, 124318, 248636, 310795, 621590, 1243180]

約数ペア:

[(1, 1243180), (2, 621590), (4, 310795), (5, 248636), (10, 124318), (20, 62159), (61, 20380), (122, 10190), (244, 5095), (305, 4076), (610, 2038), (1019, 1220)]