777780920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4091}}^1$

素因数の和:4213

約数の個数: 96

約数和(自身を含む): 2057212080

約数和(自身を除く): 1279431160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1358, 1940, 1960, 2716, 3395, 3880, 4091, 4753, 5432, 6790, 8182, 9506, 13580, 16364, 19012, 20455, 23765, 27160, 28637, 32728, 38024, 40910, 47530, 57274, 81820, 95060, 114548, 143185, 163640, 190120, 200459, 229096, 286370, 396827, 400918, 572740, 793654, 801836, 1002295, 1145480, 1587308, 1603672, 1984135, 2004590, 2777789, 3174616, 3968270, 4009180, 5555578, 7936540, 8018360, 11111156, 13888945, 15873080, 19444523, 22222312, 27777890, 38889046, 55555780, 77778092, 97222615, 111111560, 155556184, 194445230, 388890460, 777780920]

約数ペア:

[(1, 777780920), (2, 388890460), (4, 194445230), (5, 155556184), (7, 111111560), (8, 97222615), (10, 77778092), (14, 55555780), (20, 38889046), (28, 27777890), (35, 22222312), (40, 19444523), (49, 15873080), (56, 13888945), (70, 11111156), (97, 8018360), (98, 7936540), (140, 5555578), (194, 4009180), (196, 3968270), (245, 3174616), (280, 2777789), (388, 2004590), (392, 1984135), (485, 1603672), (490, 1587308), (679, 1145480), (776, 1002295), (970, 801836), (980, 793654), (1358, 572740), (1940, 400918), (1960, 396827), (2716, 286370), (3395, 229096), (3880, 200459), (4091, 190120), (4753, 163640), (5432, 143185), (6790, 114548), (8182, 95060), (9506, 81820), (13580, 57274), (16364, 47530), (19012, 40910), (20455, 38024), (23765, 32728), (27160, 28637)]