439270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 887040

約数和(自身を除く): 447770

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 109, 130, 155, 218, 310, 403, 545, 806, 1090, 1417, 2015, 2834, 3379, 4030, 6758, 7085, 14170, 16895, 33790, 43927, 87854, 219635, 439270]

約数ペア:

[(1, 439270), (2, 219635), (5, 87854), (10, 43927), (13, 33790), (26, 16895), (31, 14170), (62, 7085), (65, 6758), (109, 4030), (130, 3379), (155, 2834), (218, 2015), (310, 1417), (403, 1090), (545, 806)]