2981110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 6005664

約数和(自身を除く): 3024554

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 661, 902, 1322, 2255, 3305, 4510, 6610, 7271, 14542, 27101, 36355, 54202, 72710, 135505, 271010, 298111, 596222, 1490555, 2981110]

約数ペア:

[(1, 2981110), (2, 1490555), (5, 596222), (10, 298111), (11, 271010), (22, 135505), (41, 72710), (55, 54202), (82, 36355), (110, 27101), (205, 14542), (410, 7271), (451, 6610), (661, 4510), (902, 3305), (1322, 2255)]