7892890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 14676480

約数和(自身を除く): 6783590

約数列:

[1, 2, 5, 10, 79, 97, 103, 158, 194, 206, 395, 485, 515, 790, 970, 1030, 7663, 8137, 9991, 15326, 16274, 19982, 38315, 40685, 49955, 76630, 81370, 99910, 789289, 1578578, 3946445, 7892890]

約数ペア:

[(1, 7892890), (2, 3946445), (5, 1578578), (10, 789289), (79, 99910), (97, 81370), (103, 76630), (158, 49955), (194, 40685), (206, 38315), (395, 19982), (485, 16274), (515, 15326), (790, 9991), (970, 8137), (1030, 7663)]