820280090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{98473}}^1$

素因数の和:98511

約数の個数: 48

約数和(自身を含む): 1818617832

約数和(自身を除く): 998337742

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 98473, 196946, 492365, 689311, 984730, 1378622, 1674041, 3348082, 3446555, 4825177, 6893110, 8370205, 9650354, 11718287, 16740410, 23436574, 24125885, 48251770, 58591435, 82028009, 117182870, 164056018, 410140045, 820280090]

約数ペア:

[(1, 820280090), (2, 410140045), (5, 164056018), (7, 117182870), (10, 82028009), (14, 58591435), (17, 48251770), (34, 24125885), (35, 23436574), (49, 16740410), (70, 11718287), (85, 9650354), (98, 8370205), (119, 6893110), (170, 4825177), (238, 3446555), (245, 3348082), (490, 1674041), (595, 1378622), (833, 984730), (1190, 689311), (1666, 492365), (4165, 196946), (8330, 98473)]