7028780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 16498944

約数和(自身を除く): 9470164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 743, 860, 946, 1486, 1892, 2365, 2972, 3715, 4730, 7430, 8173, 9460, 14860, 16346, 31949, 32692, 40865, 63898, 81730, 127796, 159745, 163460, 319490, 351439, 638980, 702878, 1405756, 1757195, 3514390, 7028780]

約数ペア:

[(1, 7028780), (2, 3514390), (4, 1757195), (5, 1405756), (10, 702878), (11, 638980), (20, 351439), (22, 319490), (43, 163460), (44, 159745), (55, 127796), (86, 81730), (110, 63898), (172, 40865), (215, 32692), (220, 31949), (430, 16346), (473, 14860), (743, 9460), (860, 8173), (946, 7430), (1486, 4730), (1892, 3715), (2365, 2972)]