38759980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{39551}}^1$

素因数の和:39574

約数の個数: 36

約数和(自身を含む): 94687488

約数和(自身を除く): 55927508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 39551, 79102, 158204, 197755, 276857, 395510, 553714, 791020, 1107428, 1384285, 1937999, 2768570, 3875998, 5537140, 7751996, 9689995, 19379990, 38759980]

約数ペア:

[(1, 38759980), (2, 19379990), (4, 9689995), (5, 7751996), (7, 5537140), (10, 3875998), (14, 2768570), (20, 1937999), (28, 1384285), (35, 1107428), (49, 791020), (70, 553714), (98, 395510), (140, 276857), (196, 197755), (245, 158204), (490, 79102), (980, 39551)]