260494788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{21557}}^1$

素因数の和:21636

約数の個数: 48

約数和(自身を含む): 651913920

約数和(自身を除く): 391419132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 53, 57, 76, 106, 114, 159, 212, 228, 318, 636, 1007, 2014, 3021, 4028, 6042, 12084, 21557, 43114, 64671, 86228, 129342, 258684, 409583, 819166, 1142521, 1228749, 1638332, 2285042, 2457498, 3427563, 4570084, 4914996, 6855126, 13710252, 21707899, 43415798, 65123697, 86831596, 130247394, 260494788]

約数ペア:

[(1, 260494788), (2, 130247394), (3, 86831596), (4, 65123697), (6, 43415798), (12, 21707899), (19, 13710252), (38, 6855126), (53, 4914996), (57, 4570084), (76, 3427563), (106, 2457498), (114, 2285042), (159, 1638332), (212, 1228749), (228, 1142521), (318, 819166), (636, 409583), (1007, 258684), (2014, 129342), (3021, 86228), (4028, 64671), (6042, 43114), (12084, 21557)]