221988530

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{1109}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 411508080

約数和(自身を除く): 189519550

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 541, 1082, 1109, 2218, 2705, 5410, 5545, 11090, 20017, 40034, 41033, 82066, 100085, 200170, 205165, 410330, 599969, 1199938, 2999845, 5999690, 22198853, 44397706, 110994265, 221988530]

約数ペア:

[(1, 221988530), (2, 110994265), (5, 44397706), (10, 22198853), (37, 5999690), (74, 2999845), (185, 1199938), (370, 599969), (541, 410330), (1082, 205165), (1109, 200170), (2218, 100085), (2705, 82066), (5410, 41033), (5545, 40034), (11090, 20017)]