3874990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 8040384

約数和(自身を除く): 4165394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 281, 394, 562, 985, 1379, 1405, 1967, 1970, 2758, 2810, 3934, 6895, 9835, 13790, 19670, 55357, 110714, 276785, 387499, 553570, 774998, 1937495, 3874990]

約数ペア:

[(1, 3874990), (2, 1937495), (5, 774998), (7, 553570), (10, 387499), (14, 276785), (35, 110714), (70, 55357), (197, 19670), (281, 13790), (394, 9835), (562, 6895), (985, 3934), (1379, 2810), (1405, 2758), (1967, 1970)]