7888540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10981220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1559, 2530, 3118, 5060, 6236, 7795, 15590, 17149, 31180, 34298, 35857, 68596, 71714, 85745, 143428, 171490, 179285, 342980, 358570, 394427, 717140, 788854, 1577708, 1972135, 3944270, 7888540]

約数ペア:

[(1, 7888540), (2, 3944270), (4, 1972135), (5, 1577708), (10, 788854), (11, 717140), (20, 394427), (22, 358570), (23, 342980), (44, 179285), (46, 171490), (55, 143428), (92, 85745), (110, 71714), (115, 68596), (220, 35857), (230, 34298), (253, 31180), (460, 17149), (506, 15590), (1012, 7795), (1265, 6236), (1559, 5060), (2530, 3118)]