99818180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64817}}^1$

素因数の和:64844

約数の個数: 48

約数和(自身を含む): 261346176

約数和(自身を除く): 161527996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 64817, 129634, 259268, 324085, 453719, 648170, 712987, 907438, 1296340, 1425974, 1814876, 2268595, 2851948, 3564935, 4537190, 4990909, 7129870, 9074380, 9981818, 14259740, 19963636, 24954545, 49909090, 99818180]

約数ペア:

[(1, 99818180), (2, 49909090), (4, 24954545), (5, 19963636), (7, 14259740), (10, 9981818), (11, 9074380), (14, 7129870), (20, 4990909), (22, 4537190), (28, 3564935), (35, 2851948), (44, 2268595), (55, 1814876), (70, 1425974), (77, 1296340), (110, 907438), (140, 712987), (154, 648170), (220, 453719), (308, 324085), (385, 259268), (770, 129634), (1540, 64817)]