90045700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{937}}^1$

素因数の和:1013

約数の個数: 54

約数和(自身を含む): 202121178

約数和(自身を除く): 112075478

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 937, 961, 1550, 1874, 1922, 3100, 3748, 3844, 4685, 4805, 9370, 9610, 18740, 19220, 23425, 24025, 29047, 46850, 48050, 58094, 93700, 96100, 116188, 145235, 290470, 580940, 726175, 900457, 1452350, 1800914, 2904700, 3601828, 4502285, 9004570, 18009140, 22511425, 45022850, 90045700]

約数ペア:

[(1, 90045700), (2, 45022850), (4, 22511425), (5, 18009140), (10, 9004570), (20, 4502285), (25, 3601828), (31, 2904700), (50, 1800914), (62, 1452350), (100, 900457), (124, 726175), (155, 580940), (310, 290470), (620, 145235), (775, 116188), (937, 96100), (961, 93700), (1550, 58094), (1874, 48050), (1922, 46850), (3100, 29047), (3748, 24025), (3844, 23425), (4685, 19220), (4805, 18740), (9370, 9610)]