78623020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1303}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 189278208

約数和(自身を除く): 110655188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1303, 1724, 2155, 2606, 3017, 4310, 5212, 6034, 6515, 8620, 9121, 12068, 13030, 15085, 18242, 26060, 30170, 36484, 45605, 60340, 91210, 182420, 561593, 1123186, 2246372, 2807965, 3931151, 5615930, 7862302, 11231860, 15724604, 19655755, 39311510, 78623020]

約数ペア:

[(1, 78623020), (2, 39311510), (4, 19655755), (5, 15724604), (7, 11231860), (10, 7862302), (14, 5615930), (20, 3931151), (28, 2807965), (35, 2246372), (70, 1123186), (140, 561593), (431, 182420), (862, 91210), (1303, 60340), (1724, 45605), (2155, 36484), (2606, 30170), (3017, 26060), (4310, 18242), (5212, 15085), (6034, 13030), (6515, 12068), (8620, 9121)]