78867580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1699}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 181641600

約数和(自身を除く): 102774020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1699, 2110, 2321, 3398, 4220, 4642, 6796, 8495, 9284, 11605, 16990, 18689, 23210, 33980, 37378, 46420, 74756, 93445, 186890, 358489, 373780, 716978, 1433956, 1792445, 3584890, 3943379, 7169780, 7886758, 15773516, 19716895, 39433790, 78867580]

約数ペア:

[(1, 78867580), (2, 39433790), (4, 19716895), (5, 15773516), (10, 7886758), (11, 7169780), (20, 3943379), (22, 3584890), (44, 1792445), (55, 1433956), (110, 716978), (211, 373780), (220, 358489), (422, 186890), (844, 93445), (1055, 74756), (1699, 46420), (2110, 37378), (2321, 33980), (3398, 23210), (4220, 18689), (4642, 16990), (6796, 11605), (8495, 9284)]