287386060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1559}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 651268800

約数和(自身を除く): 363882740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 709, 1418, 1559, 2836, 3118, 3545, 6236, 7090, 7795, 9217, 14180, 15590, 18434, 20267, 31180, 36868, 40534, 46085, 81068, 92170, 101335, 184340, 202670, 405340, 1105331, 2210662, 4421324, 5526655, 11053310, 14369303, 22106620, 28738606, 57477212, 71846515, 143693030, 287386060]

約数ペア:

[(1, 287386060), (2, 143693030), (4, 71846515), (5, 57477212), (10, 28738606), (13, 22106620), (20, 14369303), (26, 11053310), (52, 5526655), (65, 4421324), (130, 2210662), (260, 1105331), (709, 405340), (1418, 202670), (1559, 184340), (2836, 101335), (3118, 92170), (3545, 81068), (6236, 46085), (7090, 40534), (7795, 36868), (9217, 31180), (14180, 20267), (15590, 18434)]