141235820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641981}}^1$

素因数の和:642001

約数の個数: 24

約数和(自身を含む): 323558928

約数和(自身を除く): 182323108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 641981, 1283962, 2567924, 3209905, 6419810, 7061791, 12839620, 14123582, 28247164, 35308955, 70617910, 141235820]

約数ペア:

[(1, 141235820), (2, 70617910), (4, 35308955), (5, 28247164), (10, 14123582), (11, 12839620), (20, 7061791), (22, 6419810), (44, 3209905), (55, 2567924), (110, 1283962), (220, 641981)]