9910180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 24143616

約数和(自身を除く): 14233436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 997, 1420, 1988, 1994, 2485, 3988, 4970, 4985, 6979, 9940, 9970, 13958, 19940, 27916, 34895, 69790, 70787, 139580, 141574, 283148, 353935, 495509, 707870, 991018, 1415740, 1982036, 2477545, 4955090, 9910180]

約数ペア:

[(1, 9910180), (2, 4955090), (4, 2477545), (5, 1982036), (7, 1415740), (10, 991018), (14, 707870), (20, 495509), (28, 353935), (35, 283148), (70, 141574), (71, 139580), (140, 70787), (142, 69790), (284, 34895), (355, 27916), (497, 19940), (710, 13958), (994, 9970), (997, 9940), (1420, 6979), (1988, 4985), (1994, 4970), (2485, 3988)]