87012400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:251

約数の個数: 90

約数和(自身を含む): 222125540

約数和(自身を除く): 135113140

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 107, 152, 190, 200, 214, 304, 380, 400, 428, 475, 535, 760, 856, 950, 1070, 1520, 1712, 1900, 2033, 2140, 2675, 3800, 4066, 4280, 5350, 7600, 8132, 8560, 10165, 10700, 11449, 16264, 20330, 21400, 22898, 32528, 40660, 42800, 45796, 50825, 57245, 81320, 91592, 101650, 114490, 162640, 183184, 203300, 217531, 228980, 286225, 406600, 435062, 457960, 572450, 813200, 870124, 915920, 1087655, 1144900, 1740248, 2175310, 2289800, 3480496, 4350620, 4579600, 5438275, 8701240, 10876550, 17402480, 21753100, 43506200, 87012400]

約数ペア:

[(1, 87012400), (2, 43506200), (4, 21753100), (5, 17402480), (8, 10876550), (10, 8701240), (16, 5438275), (19, 4579600), (20, 4350620), (25, 3480496), (38, 2289800), (40, 2175310), (50, 1740248), (76, 1144900), (80, 1087655), (95, 915920), (100, 870124), (107, 813200), (152, 572450), (190, 457960), (200, 435062), (214, 406600), (304, 286225), (380, 228980), (400, 217531), (428, 203300), (475, 183184), (535, 162640), (760, 114490), (856, 101650), (950, 91592), (1070, 81320), (1520, 57245), (1712, 50825), (1900, 45796), (2033, 42800), (2140, 40660), (2675, 32528), (3800, 22898), (4066, 21400), (4280, 20330), (5350, 16264), (7600, 11449), (8132, 10700), (8560, 10165)]