91443740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{907}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 194989368

約数和(自身を除く): 103545628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 907, 1420, 1814, 3628, 4535, 5041, 9070, 10082, 18140, 20164, 25205, 50410, 64397, 100820, 128794, 257588, 321985, 643970, 1287940, 4572187, 9144374, 18288748, 22860935, 45721870, 91443740]

約数ペア:

[(1, 91443740), (2, 45721870), (4, 22860935), (5, 18288748), (10, 9144374), (20, 4572187), (71, 1287940), (142, 643970), (284, 321985), (355, 257588), (710, 128794), (907, 100820), (1420, 64397), (1814, 50410), (3628, 25205), (4535, 20164), (5041, 18140), (9070, 10082)]