7863020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 18240768

約数和(自身を除く): 10377748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 347, 412, 515, 694, 1030, 1133, 1388, 1735, 2060, 2266, 3470, 3817, 4532, 5665, 6940, 7634, 11330, 15268, 19085, 22660, 35741, 38170, 71482, 76340, 142964, 178705, 357410, 393151, 714820, 786302, 1572604, 1965755, 3931510, 7863020]

約数ペア:

[(1, 7863020), (2, 3931510), (4, 1965755), (5, 1572604), (10, 786302), (11, 714820), (20, 393151), (22, 357410), (44, 178705), (55, 142964), (103, 76340), (110, 71482), (206, 38170), (220, 35741), (347, 22660), (412, 19085), (515, 15268), (694, 11330), (1030, 7634), (1133, 6940), (1388, 5665), (1735, 4532), (2060, 3817), (2266, 3470)]