2013909700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18127}}^1$

素因数の和:18253

約数の個数: 72

約数和(自身を含む): 4814941824

約数和(自身を除く): 2801032124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 275, 404, 505, 550, 1010, 1100, 1111, 2020, 2222, 2525, 4444, 5050, 5555, 10100, 11110, 18127, 22220, 27775, 36254, 55550, 72508, 90635, 111100, 181270, 199397, 362540, 398794, 453175, 797588, 906350, 996985, 1812700, 1830827, 1993970, 3661654, 3987940, 4984925, 7323308, 9154135, 9969850, 18308270, 19939700, 20139097, 36616540, 40278194, 45770675, 80556388, 91541350, 100695485, 183082700, 201390970, 402781940, 503477425, 1006954850, 2013909700]

約数ペア:

[(1, 2013909700), (2, 1006954850), (4, 503477425), (5, 402781940), (10, 201390970), (11, 183082700), (20, 100695485), (22, 91541350), (25, 80556388), (44, 45770675), (50, 40278194), (55, 36616540), (100, 20139097), (101, 19939700), (110, 18308270), (202, 9969850), (220, 9154135), (275, 7323308), (404, 4984925), (505, 3987940), (550, 3661654), (1010, 1993970), (1100, 1830827), (1111, 1812700), (2020, 996985), (2222, 906350), (2525, 797588), (4444, 453175), (5050, 398794), (5555, 362540), (10100, 199397), (11110, 181270), (18127, 111100), (22220, 90635), (27775, 72508), (36254, 55550)]