64737820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9437}}^1$

素因数の和:9467

約数の個数: 48

約数和(自身を含む): 158558400

約数和(自身を除く): 93820580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9437, 18874, 37748, 47185, 66059, 94370, 132118, 188740, 264236, 330295, 462413, 660590, 924826, 1321180, 1849652, 2312065, 3236891, 4624130, 6473782, 9248260, 12947564, 16184455, 32368910, 64737820]

約数ペア:

[(1, 64737820), (2, 32368910), (4, 16184455), (5, 12947564), (7, 9248260), (10, 6473782), (14, 4624130), (20, 3236891), (28, 2312065), (35, 1849652), (49, 1321180), (70, 924826), (98, 660590), (140, 462413), (196, 330295), (245, 264236), (343, 188740), (490, 132118), (686, 94370), (980, 66059), (1372, 47185), (1715, 37748), (3430, 18874), (6860, 9437)]