9780942820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7873}}^1\times {\mathrm{5647}}^1$

素因数の和:13540

約数の個数: 48

約数和(自身を含む): 22414065408

約数和(自身を除く): 12633122588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5647, 7873, 11294, 15746, 22588, 28235, 31492, 39365, 56470, 62117, 78730, 86603, 112940, 124234, 157460, 173206, 248468, 310585, 346412, 433015, 621170, 866030, 1242340, 1732060, 44458831, 88917662, 177835324, 222294155, 444588310, 489047141, 889176620, 978094282, 1956188564, 2445235705, 4890471410, 9780942820]

約数ペア:

[(1, 9780942820), (2, 4890471410), (4, 2445235705), (5, 1956188564), (10, 978094282), (11, 889176620), (20, 489047141), (22, 444588310), (44, 222294155), (55, 177835324), (110, 88917662), (220, 44458831), (5647, 1732060), (7873, 1242340), (11294, 866030), (15746, 621170), (22588, 433015), (28235, 346412), (31492, 310585), (39365, 248468), (56470, 173206), (62117, 157460), (78730, 124234), (86603, 112940)]