998318800

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 2457699840

約数和(自身を除く): 1459381040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 179, 191, 200, 292, 358, 365, 382, 400, 584, 716, 730, 764, 895, 955, 1168, 1432, 1460, 1528, 1790, 1825, 1910, 2864, 2920, 3056, 3580, 3650, 3820, 4475, 4775, 5840, 7160, 7300, 7640, 8950, 9550, 13067, 13943, 14320, 14600, 15280, 17900, 19100, 26134, 27886, 29200, 34189, 35800, 38200, 52268, 55772, 65335, 68378, 69715, 71600, 76400, 104536, 111544, 130670, 136756, 139430, 170945, 209072, 223088, 261340, 273512, 278860, 326675, 341890, 348575, 522680, 547024, 557720, 653350, 683780, 697150, 854725, 1045360, 1115440, 1306700, 1367560, 1394300, 1709450, 2495797, 2613400, 2735120, 2788600, 3418900, 4991594, 5226800, 5577200, 6837800, 9983188, 12478985, 13675600, 19966376, 24957970, 39932752, 49915940, 62394925, 99831880, 124789850, 199663760, 249579700, 499159400, 998318800]

約数ペア:

[(1, 998318800), (2, 499159400), (4, 249579700), (5, 199663760), (8, 124789850), (10, 99831880), (16, 62394925), (20, 49915940), (25, 39932752), (40, 24957970), (50, 19966376), (73, 13675600), (80, 12478985), (100, 9983188), (146, 6837800), (179, 5577200), (191, 5226800), (200, 4991594), (292, 3418900), (358, 2788600), (365, 2735120), (382, 2613400), (400, 2495797), (584, 1709450), (716, 1394300), (730, 1367560), (764, 1306700), (895, 1115440), (955, 1045360), (1168, 854725), (1432, 697150), (1460, 683780), (1528, 653350), (1790, 557720), (1825, 547024), (1910, 522680), (2864, 348575), (2920, 341890), (3056, 326675), (3580, 278860), (3650, 273512), (3820, 261340), (4475, 223088), (4775, 209072), (5840, 170945), (7160, 139430), (7300, 136756), (7640, 130670), (8950, 111544), (9550, 104536), (13067, 76400), (13943, 71600), (14320, 69715), (14600, 68378), (15280, 65335), (17900, 55772), (19100, 52268), (26134, 38200), (27886, 35800), (29200, 34189)]