1426390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 3102624

約数和(自身を除く): 1676234

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 71, 82, 98, 142, 205, 245, 287, 355, 410, 490, 497, 574, 710, 994, 1435, 2009, 2485, 2870, 2911, 3479, 4018, 4970, 5822, 6958, 10045, 14555, 17395, 20090, 20377, 29110, 34790, 40754, 101885, 142639, 203770, 285278, 713195, 1426390]

約数ペア:

[(1, 1426390), (2, 713195), (5, 285278), (7, 203770), (10, 142639), (14, 101885), (35, 40754), (41, 34790), (49, 29110), (70, 20377), (71, 20090), (82, 17395), (98, 14555), (142, 10045), (205, 6958), (245, 5822), (287, 4970), (355, 4018), (410, 3479), (490, 2911), (497, 2870), (574, 2485), (710, 2009), (994, 1435)]