13707260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 34128864

約数和(自身を除く): 20421604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 197, 245, 284, 355, 394, 490, 497, 710, 788, 980, 985, 994, 1379, 1420, 1970, 1988, 2485, 2758, 3479, 3940, 4970, 5516, 6895, 6958, 9653, 9940, 13790, 13916, 13987, 17395, 19306, 27580, 27974, 34790, 38612, 48265, 55948, 69580, 69935, 96530, 97909, 139870, 193060, 195818, 279740, 391636, 489545, 685363, 979090, 1370726, 1958180, 2741452, 3426815, 6853630, 13707260]

約数ペア:

[(1, 13707260), (2, 6853630), (4, 3426815), (5, 2741452), (7, 1958180), (10, 1370726), (14, 979090), (20, 685363), (28, 489545), (35, 391636), (49, 279740), (70, 195818), (71, 193060), (98, 139870), (140, 97909), (142, 96530), (196, 69935), (197, 69580), (245, 55948), (284, 48265), (355, 38612), (394, 34790), (490, 27974), (497, 27580), (710, 19306), (788, 17395), (980, 13987), (985, 13916), (994, 13790), (1379, 9940), (1420, 9653), (1970, 6958), (1988, 6895), (2485, 5516), (2758, 4970), (3479, 3940)]