340628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 639744

約数和(自身を除く): 299116

約数列:

[1, 2, 4, 31, 41, 62, 67, 82, 124, 134, 164, 268, 1271, 2077, 2542, 2747, 4154, 5084, 5494, 8308, 10988, 85157, 170314, 340628]

約数ペア:

[(1, 340628), (2, 170314), (4, 85157), (31, 10988), (41, 8308), (62, 5494), (67, 5084), (82, 4154), (124, 2747), (134, 2542), (164, 2077), (268, 1271)]