215410400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 570338496

約数和(自身を除く): 354928096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 68, 80, 85, 94, 100, 136, 160, 170, 188, 200, 235, 272, 337, 340, 376, 400, 425, 470, 544, 674, 680, 752, 799, 800, 850, 940, 1175, 1348, 1360, 1504, 1598, 1685, 1700, 1880, 2350, 2696, 2720, 3196, 3370, 3400, 3760, 3995, 4700, 5392, 5729, 6392, 6740, 6800, 7520, 7990, 8425, 9400, 10784, 11458, 12784, 13480, 13600, 15839, 15980, 16850, 18800, 19975, 22916, 25568, 26960, 28645, 31678, 31960, 33700, 37600, 39950, 45832, 53920, 57290, 63356, 63920, 67400, 79195, 79900, 91664, 114580, 126712, 127840, 134800, 143225, 158390, 159800, 183328, 229160, 253424, 269263, 269600, 286450, 316780, 319600, 395975, 458320, 506848, 538526, 572900, 633560, 639200, 791950, 916640, 1077052, 1145800, 1267120, 1346315, 1583900, 2154104, 2291600, 2534240, 2692630, 3167800, 4308208, 4583200, 5385260, 6335600, 6731575, 8616416, 10770520, 12671200, 13463150, 21541040, 26926300, 43082080, 53852600, 107705200, 215410400]

約数ペア:

[(1, 215410400), (2, 107705200), (4, 53852600), (5, 43082080), (8, 26926300), (10, 21541040), (16, 13463150), (17, 12671200), (20, 10770520), (25, 8616416), (32, 6731575), (34, 6335600), (40, 5385260), (47, 4583200), (50, 4308208), (68, 3167800), (80, 2692630), (85, 2534240), (94, 2291600), (100, 2154104), (136, 1583900), (160, 1346315), (170, 1267120), (188, 1145800), (200, 1077052), (235, 916640), (272, 791950), (337, 639200), (340, 633560), (376, 572900), (400, 538526), (425, 506848), (470, 458320), (544, 395975), (674, 319600), (680, 316780), (752, 286450), (799, 269600), (800, 269263), (850, 253424), (940, 229160), (1175, 183328), (1348, 159800), (1360, 158390), (1504, 143225), (1598, 134800), (1685, 127840), (1700, 126712), (1880, 114580), (2350, 91664), (2696, 79900), (2720, 79195), (3196, 67400), (3370, 63920), (3400, 63356), (3760, 57290), (3995, 53920), (4700, 45832), (5392, 39950), (5729, 37600), (6392, 33700), (6740, 31960), (6800, 31678), (7520, 28645), (7990, 26960), (8425, 25568), (9400, 22916), (10784, 19975), (11458, 18800), (12784, 16850), (13480, 15980), (13600, 15839)]