83954360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{683}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 216691200

約数和(自身を除く): 132736840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 683, 878, 1366, 1756, 2195, 2732, 3073, 3415, 3512, 4390, 4781, 5464, 6146, 6830, 8780, 9562, 12292, 13660, 15365, 17560, 19124, 23905, 24584, 27320, 30730, 38248, 47810, 61460, 95620, 122920, 191240, 299837, 599674, 1199348, 1499185, 2098859, 2398696, 2998370, 4197718, 5996740, 8395436, 10494295, 11993480, 16790872, 20988590, 41977180, 83954360]

約数ペア:

[(1, 83954360), (2, 41977180), (4, 20988590), (5, 16790872), (7, 11993480), (8, 10494295), (10, 8395436), (14, 5996740), (20, 4197718), (28, 2998370), (35, 2398696), (40, 2098859), (56, 1499185), (70, 1199348), (140, 599674), (280, 299837), (439, 191240), (683, 122920), (878, 95620), (1366, 61460), (1756, 47810), (2195, 38248), (2732, 30730), (3073, 27320), (3415, 24584), (3512, 23905), (4390, 19124), (4781, 17560), (5464, 15365), (6146, 13660), (6830, 12292), (8780, 9562)]