11171780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 24923136

約数和(自身を除く): 13751356

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 487, 620, 740, 974, 1147, 1948, 2294, 2435, 4588, 4870, 5735, 9740, 11470, 15097, 18019, 22940, 30194, 36038, 60388, 72076, 75485, 90095, 150970, 180190, 301940, 360380, 558589, 1117178, 2234356, 2792945, 5585890, 11171780]

約数ペア:

[(1, 11171780), (2, 5585890), (4, 2792945), (5, 2234356), (10, 1117178), (20, 558589), (31, 360380), (37, 301940), (62, 180190), (74, 150970), (124, 90095), (148, 75485), (155, 72076), (185, 60388), (310, 36038), (370, 30194), (487, 22940), (620, 18019), (740, 15097), (974, 11470), (1147, 9740), (1948, 5735), (2294, 4870), (2435, 4588)]