1389990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{6619}}^1$

素因数の和:6636

約数の個数: 32

約数和(自身を含む): 3813120

約数和(自身を除く): 2423130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 6619, 13238, 19857, 33095, 39714, 46333, 66190, 92666, 99285, 138999, 198570, 231665, 277998, 463330, 694995, 1389990]

約数ペア:

[(1, 1389990), (2, 694995), (3, 463330), (5, 277998), (6, 231665), (7, 198570), (10, 138999), (14, 99285), (15, 92666), (21, 66190), (30, 46333), (35, 39714), (42, 33095), (70, 19857), (105, 13238), (210, 6619)]