86900420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 191851968

約数和(自身を除く): 104951548

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2731, 3182, 5462, 6364, 7955, 10924, 13655, 15910, 27310, 31820, 54620, 101047, 117433, 202094, 234866, 404188, 469732, 505235, 587165, 1010470, 1174330, 2020940, 2348660, 4345021, 8690042, 17380084, 21725105, 43450210, 86900420]

約数ペア:

[(1, 86900420), (2, 43450210), (4, 21725105), (5, 17380084), (10, 8690042), (20, 4345021), (37, 2348660), (43, 2020940), (74, 1174330), (86, 1010470), (148, 587165), (172, 505235), (185, 469732), (215, 404188), (370, 234866), (430, 202094), (740, 117433), (860, 101047), (1591, 54620), (2731, 31820), (3182, 27310), (5462, 15910), (6364, 13655), (7955, 10924)]