90718210

素因数分解:

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

素因数の和:1623

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 95620670

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 529, 1058, 1265, 1559, 2530, 2645, 3118, 5290, 5819, 7795, 11638, 15590, 17149, 29095, 34298, 35857, 58190, 71714, 85745, 171490, 179285, 358570, 394427, 788854, 824711, 1649422, 1972135, 3944270, 4123555, 8247110, 9071821, 18143642, 45359105, 90718210]

約数ペア:

[(1, 90718210), (2, 45359105), (5, 18143642), (10, 9071821), (11, 8247110), (22, 4123555), (23, 3944270), (46, 1972135), (55, 1649422), (110, 824711), (115, 788854), (230, 394427), (253, 358570), (506, 179285), (529, 171490), (1058, 85745), (1265, 71714), (1559, 58190), (2530, 35857), (2645, 34298), (3118, 29095), (5290, 17149), (5819, 15590), (7795, 11638)]