90226420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 193369680

約数和(自身を除く): 103143260

約数列:

[1, 2, 4, 5, 10, 20, 89, 173, 178, 293, 346, 356, 445, 586, 692, 865, 890, 1172, 1465, 1730, 1780, 2930, 3460, 5860, 15397, 26077, 30794, 50689, 52154, 61588, 76985, 101378, 104308, 130385, 153970, 202756, 253445, 260770, 307940, 506890, 521540, 1013780, 4511321, 9022642, 18045284, 22556605, 45113210, 90226420]

約数ペア:

[(1, 90226420), (2, 45113210), (4, 22556605), (5, 18045284), (10, 9022642), (20, 4511321), (89, 1013780), (173, 521540), (178, 506890), (293, 307940), (346, 260770), (356, 253445), (445, 202756), (586, 153970), (692, 130385), (865, 104308), (890, 101378), (1172, 76985), (1465, 61588), (1730, 52154), (1780, 50689), (2930, 30794), (3460, 26077), (5860, 15397)]