819865820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{8447}}^1$

素因数の和:8690

約数の個数: 48

約数和(自身を含む): 1805303808

約数和(自身を除く): 985437988

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 844, 1055, 2110, 4220, 4853, 8447, 9706, 16894, 19412, 24265, 33788, 42235, 48530, 84470, 97060, 168940, 194281, 388562, 777124, 971405, 1782317, 1942810, 3564634, 3885620, 7129268, 8911585, 17823170, 35646340, 40993291, 81986582, 163973164, 204966455, 409932910, 819865820]

約数ペア:

[(1, 819865820), (2, 409932910), (4, 204966455), (5, 163973164), (10, 81986582), (20, 40993291), (23, 35646340), (46, 17823170), (92, 8911585), (115, 7129268), (211, 3885620), (230, 3564634), (422, 1942810), (460, 1782317), (844, 971405), (1055, 777124), (2110, 388562), (4220, 194281), (4853, 168940), (8447, 97060), (9706, 84470), (16894, 48530), (19412, 42235), (24265, 33788)]