199784860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908113}}^1$

素因数の和:908133

約数の個数: 24

約数和(自身を含む): 457689456

約数和(自身を除く): 257904596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908113, 1816226, 3632452, 4540565, 9081130, 9989243, 18162260, 19978486, 39956972, 49946215, 99892430, 199784860]

約数ペア:

[(1, 199784860), (2, 99892430), (4, 49946215), (5, 39956972), (10, 19978486), (11, 18162260), (20, 9989243), (22, 9081130), (44, 4540565), (55, 3632452), (110, 1816226), (220, 908113)]