38220400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 99636480

約数和(自身を除く): 61416080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 47, 50, 76, 80, 94, 95, 100, 107, 152, 188, 190, 200, 214, 235, 304, 376, 380, 400, 428, 470, 475, 535, 752, 760, 856, 893, 940, 950, 1070, 1175, 1520, 1712, 1786, 1880, 1900, 2033, 2140, 2350, 2675, 3572, 3760, 3800, 4066, 4280, 4465, 4700, 5029, 5350, 7144, 7600, 8132, 8560, 8930, 9400, 10058, 10165, 10700, 14288, 16264, 17860, 18800, 20116, 20330, 21400, 22325, 25145, 32528, 35720, 40232, 40660, 42800, 44650, 50290, 50825, 71440, 80464, 81320, 89300, 95551, 100580, 101650, 125725, 162640, 178600, 191102, 201160, 203300, 251450, 357200, 382204, 402320, 406600, 477755, 502900, 764408, 813200, 955510, 1005800, 1528816, 1911020, 2011600, 2388775, 3822040, 4777550, 7644080, 9555100, 19110200, 38220400]

約数ペア:

[(1, 38220400), (2, 19110200), (4, 9555100), (5, 7644080), (8, 4777550), (10, 3822040), (16, 2388775), (19, 2011600), (20, 1911020), (25, 1528816), (38, 1005800), (40, 955510), (47, 813200), (50, 764408), (76, 502900), (80, 477755), (94, 406600), (95, 402320), (100, 382204), (107, 357200), (152, 251450), (188, 203300), (190, 201160), (200, 191102), (214, 178600), (235, 162640), (304, 125725), (376, 101650), (380, 100580), (400, 95551), (428, 89300), (470, 81320), (475, 80464), (535, 71440), (752, 50825), (760, 50290), (856, 44650), (893, 42800), (940, 40660), (950, 40232), (1070, 35720), (1175, 32528), (1520, 25145), (1712, 22325), (1786, 21400), (1880, 20330), (1900, 20116), (2033, 18800), (2140, 17860), (2350, 16264), (2675, 14288), (3572, 10700), (3760, 10165), (3800, 10058), (4066, 9400), (4280, 8930), (4465, 8560), (4700, 8132), (5029, 7600), (5350, 7144)]