9869090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 22555584

約数和(自身を除く): 12686494

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 1831, 2695, 3662, 5390, 9155, 12817, 18310, 20141, 25634, 40282, 64085, 89719, 100705, 128170, 140987, 179438, 201410, 281974, 448595, 704935, 897190, 986909, 1409870, 1973818, 4934545, 9869090]

約数ペア:

[(1, 9869090), (2, 4934545), (5, 1973818), (7, 1409870), (10, 986909), (11, 897190), (14, 704935), (22, 448595), (35, 281974), (49, 201410), (55, 179438), (70, 140987), (77, 128170), (98, 100705), (110, 89719), (154, 64085), (245, 40282), (385, 25634), (490, 20141), (539, 18310), (770, 12817), (1078, 9155), (1831, 5390), (2695, 3662)]