400407370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{2957}}^1$

素因数の和:4206

約数の個数: 32

約数和(自身を含む): 787159296

約数和(自身を除く): 386751926

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1231, 2462, 2957, 5914, 6155, 12310, 13541, 14785, 27082, 29570, 32527, 65054, 67705, 135410, 162635, 325270, 3640067, 7280134, 18200335, 36400670, 40040737, 80081474, 200203685, 400407370]

約数ペア:

[(1, 400407370), (2, 200203685), (5, 80081474), (10, 40040737), (11, 36400670), (22, 18200335), (55, 7280134), (110, 3640067), (1231, 325270), (2462, 162635), (2957, 135410), (5914, 67705), (6155, 65054), (12310, 32527), (13541, 29570), (14785, 27082)]