28151340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 91144704

約数和(自身を除く): 62993364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 691, 970, 1164, 1358, 1382, 1455, 1940, 2037, 2073, 2716, 2764, 2910, 3395, 3455, 4074, 4146, 4837, 5820, 6790, 6910, 8148, 8292, 9674, 10185, 10365, 13580, 13820, 14511, 19348, 20370, 20730, 24185, 29022, 40740, 41460, 48370, 58044, 67027, 72555, 96740, 134054, 145110, 201081, 268108, 290220, 335135, 402162, 469189, 670270, 804324, 938378, 1005405, 1340540, 1407567, 1876756, 2010810, 2345945, 2815134, 4021620, 4691890, 5630268, 7037835, 9383780, 14075670, 28151340]

約数ペア:

[(1, 28151340), (2, 14075670), (3, 9383780), (4, 7037835), (5, 5630268), (6, 4691890), (7, 4021620), (10, 2815134), (12, 2345945), (14, 2010810), (15, 1876756), (20, 1407567), (21, 1340540), (28, 1005405), (30, 938378), (35, 804324), (42, 670270), (60, 469189), (70, 402162), (84, 335135), (97, 290220), (105, 268108), (140, 201081), (194, 145110), (210, 134054), (291, 96740), (388, 72555), (420, 67027), (485, 58044), (582, 48370), (679, 41460), (691, 40740), (970, 29022), (1164, 24185), (1358, 20730), (1382, 20370), (1455, 19348), (1940, 14511), (2037, 13820), (2073, 13580), (2716, 10365), (2764, 10185), (2910, 9674), (3395, 8292), (3455, 8148), (4074, 6910), (4146, 6790), (4837, 5820)]