141296980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6359}}^1$

素因数の和:6480

約数の個数: 48

約数和(自身を含む): 326954880

約数和(自身を除く): 185657900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 6359, 11110, 12718, 22220, 25436, 31795, 63590, 69949, 127180, 139898, 279796, 349745, 642259, 699490, 1284518, 1398980, 2569036, 3211295, 6422590, 7064849, 12845180, 14129698, 28259396, 35324245, 70648490, 141296980]

約数ペア:

[(1, 141296980), (2, 70648490), (4, 35324245), (5, 28259396), (10, 14129698), (11, 12845180), (20, 7064849), (22, 6422590), (44, 3211295), (55, 2569036), (101, 1398980), (110, 1284518), (202, 699490), (220, 642259), (404, 349745), (505, 279796), (1010, 139898), (1111, 127180), (2020, 69949), (2222, 63590), (4444, 31795), (5555, 25436), (6359, 22220), (11110, 12718)]