1319990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 2756160

約数和(自身を除く): 1436170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 173, 218, 346, 545, 763, 865, 1090, 1211, 1526, 1730, 2422, 3815, 6055, 7630, 12110, 18857, 37714, 94285, 131999, 188570, 263998, 659995, 1319990]

約数ペア:

[(1, 1319990), (2, 659995), (5, 263998), (7, 188570), (10, 131999), (14, 94285), (35, 37714), (70, 18857), (109, 12110), (173, 7630), (218, 6055), (346, 3815), (545, 2422), (763, 1730), (865, 1526), (1090, 1211)]