85277740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 184125312

約数和(自身を除く): 98847572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 257, 353, 470, 514, 706, 940, 1028, 1285, 1412, 1765, 2570, 3530, 5140, 7060, 12079, 16591, 24158, 33182, 48316, 60395, 66364, 82955, 90721, 120790, 165910, 181442, 241580, 331820, 362884, 453605, 907210, 1814420, 4263887, 8527774, 17055548, 21319435, 42638870, 85277740]

約数ペア:

[(1, 85277740), (2, 42638870), (4, 21319435), (5, 17055548), (10, 8527774), (20, 4263887), (47, 1814420), (94, 907210), (188, 453605), (235, 362884), (257, 331820), (353, 241580), (470, 181442), (514, 165910), (706, 120790), (940, 90721), (1028, 82955), (1285, 66364), (1412, 60395), (1765, 48316), (2570, 33182), (3530, 24158), (5140, 16591), (7060, 12079)]