686739230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{26003}}^1$

素因数の和:26168

約数の個数: 32

約数和(自身を含む): 1310601600

約数和(自身を除く): 623862370

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 5282, 13205, 26003, 26410, 52006, 130015, 260030, 494057, 988114, 2470285, 3614417, 4940570, 7228834, 18072085, 36144170, 68673923, 137347846, 343369615, 686739230]

約数ペア:

[(1, 686739230), (2, 343369615), (5, 137347846), (10, 68673923), (19, 36144170), (38, 18072085), (95, 7228834), (139, 4940570), (190, 3614417), (278, 2470285), (695, 988114), (1390, 494057), (2641, 260030), (5282, 130015), (13205, 52006), (26003, 26410)]