199953380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908879}}^1$

素因数の和:908899

約数の個数: 24

約数和(自身を含む): 458075520

約数和(自身を除く): 258122140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908879, 1817758, 3635516, 4544395, 9088790, 9997669, 18177580, 19995338, 39990676, 49988345, 99976690, 199953380]

約数ペア:

[(1, 199953380), (2, 99976690), (4, 49988345), (5, 39990676), (10, 19995338), (11, 18177580), (20, 9997669), (22, 9088790), (44, 4544395), (55, 3635516), (110, 1817758), (220, 908879)]