7986820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 17696448

約数和(自身を除く): 9709628

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 251, 370, 430, 502, 740, 860, 1004, 1255, 1591, 2510, 3182, 5020, 6364, 7955, 9287, 10793, 15910, 18574, 21586, 31820, 37148, 43172, 46435, 53965, 92870, 107930, 185740, 215860, 399341, 798682, 1597364, 1996705, 3993410, 7986820]

約数ペア:

[(1, 7986820), (2, 3993410), (4, 1996705), (5, 1597364), (10, 798682), (20, 399341), (37, 215860), (43, 185740), (74, 107930), (86, 92870), (148, 53965), (172, 46435), (185, 43172), (215, 37148), (251, 31820), (370, 21586), (430, 18574), (502, 15910), (740, 10793), (860, 9287), (1004, 7955), (1255, 6364), (1591, 5020), (2510, 3182)]