31151660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 68789952

約数和(自身を除く): 37638292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 241, 281, 460, 482, 562, 964, 1124, 1205, 1405, 2410, 2810, 4820, 5543, 5620, 6463, 11086, 12926, 22172, 25852, 27715, 32315, 55430, 64630, 67721, 110860, 129260, 135442, 270884, 338605, 677210, 1354420, 1557583, 3115166, 6230332, 7787915, 15575830, 31151660]

約数ペア:

[(1, 31151660), (2, 15575830), (4, 7787915), (5, 6230332), (10, 3115166), (20, 1557583), (23, 1354420), (46, 677210), (92, 338605), (115, 270884), (230, 135442), (241, 129260), (281, 110860), (460, 67721), (482, 64630), (562, 55430), (964, 32315), (1124, 27715), (1205, 25852), (1405, 22172), (2410, 12926), (2810, 11086), (4820, 6463), (5543, 5620)]