189867260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9697}}^1$

素因数の和:9806

約数の個数: 48

約数和(自身を含む): 439901280

約数和(自身を除く): 250034020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9697, 9790, 19394, 19580, 38788, 48485, 96970, 106667, 193940, 213334, 426668, 533335, 863033, 1066670, 1726066, 2133340, 3452132, 4315165, 8630330, 9493363, 17260660, 18986726, 37973452, 47466815, 94933630, 189867260]

約数ペア:

[(1, 189867260), (2, 94933630), (4, 47466815), (5, 37973452), (10, 18986726), (11, 17260660), (20, 9493363), (22, 8630330), (44, 4315165), (55, 3452132), (89, 2133340), (110, 1726066), (178, 1066670), (220, 863033), (356, 533335), (445, 426668), (890, 213334), (979, 193940), (1780, 106667), (1958, 96970), (3916, 48485), (4895, 38788), (9697, 19580), (9790, 19394)]