1620921470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{80683}}^1$

素因数の和:80745

約数の個数: 48

約数和(自身を含む): 3476834928

約数和(自身を除く): 1855913458

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 4018, 10045, 20090, 80683, 161366, 403415, 564781, 806830, 1129562, 2823905, 3308003, 3953467, 5647810, 6616006, 7906934, 16540015, 19767335, 23156021, 33080030, 39534670, 46312042, 115780105, 162092147, 231560210, 324184294, 810460735, 1620921470]

約数ペア:

[(1, 1620921470), (2, 810460735), (5, 324184294), (7, 231560210), (10, 162092147), (14, 115780105), (35, 46312042), (41, 39534670), (49, 33080030), (70, 23156021), (82, 19767335), (98, 16540015), (205, 7906934), (245, 6616006), (287, 5647810), (410, 3953467), (490, 3308003), (574, 2823905), (1435, 1129562), (2009, 806830), (2870, 564781), (4018, 403415), (10045, 161366), (20090, 80683)]