1278343600

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 3173421888

約数和(自身を除く): 1895078288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 97, 100, 188, 194, 200, 235, 376, 388, 400, 470, 485, 701, 752, 776, 940, 970, 1175, 1402, 1552, 1880, 1940, 2350, 2425, 2804, 3505, 3760, 3880, 4559, 4700, 4850, 5608, 7010, 7760, 9118, 9400, 9700, 11216, 14020, 17525, 18236, 18800, 19400, 22795, 28040, 32947, 35050, 36472, 38800, 45590, 56080, 65894, 67997, 70100, 72944, 91180, 113975, 131788, 135994, 140200, 164735, 182360, 227950, 263576, 271988, 280400, 329470, 339985, 364720, 455900, 527152, 543976, 658940, 679970, 823675, 911800, 1087952, 1317880, 1359940, 1647350, 1699925, 1823600, 2635760, 2719880, 3195859, 3294700, 3399850, 5439760, 6391718, 6589400, 6799700, 12783436, 13178800, 13599400, 15979295, 25566872, 27198800, 31958590, 51133744, 63917180, 79896475, 127834360, 159792950, 255668720, 319585900, 639171800, 1278343600]

約数ペア:

[(1, 1278343600), (2, 639171800), (4, 319585900), (5, 255668720), (8, 159792950), (10, 127834360), (16, 79896475), (20, 63917180), (25, 51133744), (40, 31958590), (47, 27198800), (50, 25566872), (80, 15979295), (94, 13599400), (97, 13178800), (100, 12783436), (188, 6799700), (194, 6589400), (200, 6391718), (235, 5439760), (376, 3399850), (388, 3294700), (400, 3195859), (470, 2719880), (485, 2635760), (701, 1823600), (752, 1699925), (776, 1647350), (940, 1359940), (970, 1317880), (1175, 1087952), (1402, 911800), (1552, 823675), (1880, 679970), (1940, 658940), (2350, 543976), (2425, 527152), (2804, 455900), (3505, 364720), (3760, 339985), (3880, 329470), (4559, 280400), (4700, 271988), (4850, 263576), (5608, 227950), (7010, 182360), (7760, 164735), (9118, 140200), (9400, 135994), (9700, 131788), (11216, 113975), (14020, 91180), (17525, 72944), (18236, 70100), (18800, 67997), (19400, 65894), (22795, 56080), (28040, 45590), (32947, 38800), (35050, 36472)]