405202270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{160159}}^1$

素因数の和:160200

約数の個数: 32

約数和(自身を含む): 830269440

約数和(自身を除く): 425067170

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 160159, 320318, 800795, 1601590, 1761749, 3523498, 3683657, 7367314, 8808745, 17617490, 18418285, 36836570, 40520227, 81040454, 202601135, 405202270]

約数ペア:

[(1, 405202270), (2, 202601135), (5, 81040454), (10, 40520227), (11, 36836570), (22, 18418285), (23, 17617490), (46, 8808745), (55, 7367314), (110, 3683657), (115, 3523498), (230, 1761749), (253, 1601590), (506, 800795), (1265, 320318), (2530, 160159)]