219724400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 120

約数和(自身を含む): 610273440

約数和(自身を除く): 390549040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 112, 140, 175, 194, 200, 280, 350, 388, 400, 485, 560, 679, 700, 776, 809, 970, 1358, 1400, 1552, 1618, 1940, 2425, 2716, 2800, 3236, 3395, 3880, 4045, 4850, 5432, 5663, 6472, 6790, 7760, 8090, 9700, 10864, 11326, 12944, 13580, 16180, 16975, 19400, 20225, 22652, 27160, 28315, 32360, 33950, 38800, 40450, 45304, 54320, 56630, 64720, 67900, 78473, 80900, 90608, 113260, 135800, 141575, 156946, 161800, 226520, 271600, 283150, 313892, 323600, 392365, 453040, 549311, 566300, 627784, 784730, 1098622, 1132600, 1255568, 1569460, 1961825, 2197244, 2265200, 2746555, 3138920, 3923650, 4394488, 5493110, 6277840, 7847300, 8788976, 10986220, 13732775, 15694600, 21972440, 27465550, 31389200, 43944880, 54931100, 109862200, 219724400]

約数ペア:

[(1, 219724400), (2, 109862200), (4, 54931100), (5, 43944880), (7, 31389200), (8, 27465550), (10, 21972440), (14, 15694600), (16, 13732775), (20, 10986220), (25, 8788976), (28, 7847300), (35, 6277840), (40, 5493110), (50, 4394488), (56, 3923650), (70, 3138920), (80, 2746555), (97, 2265200), (100, 2197244), (112, 1961825), (140, 1569460), (175, 1255568), (194, 1132600), (200, 1098622), (280, 784730), (350, 627784), (388, 566300), (400, 549311), (485, 453040), (560, 392365), (679, 323600), (700, 313892), (776, 283150), (809, 271600), (970, 226520), (1358, 161800), (1400, 156946), (1552, 141575), (1618, 135800), (1940, 113260), (2425, 90608), (2716, 80900), (2800, 78473), (3236, 67900), (3395, 64720), (3880, 56630), (4045, 54320), (4850, 45304), (5432, 40450), (5663, 38800), (6472, 33950), (6790, 32360), (7760, 28315), (8090, 27160), (9700, 22652), (10864, 20225), (11326, 19400), (12944, 16975), (13580, 16180)]