38688900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4447}}^1$

素因数の和:4493

約数の個数: 72

約数和(自身を含む): 115825920

約数和(自身を除く): 77137020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2900, 4350, 4447, 8700, 8894, 13341, 17788, 22235, 26682, 44470, 53364, 66705, 88940, 111175, 128963, 133410, 222350, 257926, 266820, 333525, 386889, 444700, 515852, 644815, 667050, 773778, 1289630, 1334100, 1547556, 1934445, 2579260, 3224075, 3868890, 6448150, 7737780, 9672225, 12896300, 19344450, 38688900]

約数ペア:

[(1, 38688900), (2, 19344450), (3, 12896300), (4, 9672225), (5, 7737780), (6, 6448150), (10, 3868890), (12, 3224075), (15, 2579260), (20, 1934445), (25, 1547556), (29, 1334100), (30, 1289630), (50, 773778), (58, 667050), (60, 644815), (75, 515852), (87, 444700), (100, 386889), (116, 333525), (145, 266820), (150, 257926), (174, 222350), (290, 133410), (300, 128963), (348, 111175), (435, 88940), (580, 66705), (725, 53364), (870, 44470), (1450, 26682), (1740, 22235), (2175, 17788), (2900, 13341), (4350, 8894), (4447, 8700)]