203460880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 542536704

約数和(自身を除く): 339075824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 421, 560, 842, 863, 1684, 1726, 2105, 2947, 3368, 3452, 4210, 4315, 5894, 6041, 6736, 6904, 8420, 8630, 11788, 12082, 13808, 14735, 16840, 17260, 23576, 24164, 29470, 30205, 33680, 34520, 47152, 48328, 58940, 60410, 69040, 96656, 117880, 120820, 235760, 241640, 363323, 483280, 726646, 1453292, 1816615, 2543261, 2906584, 3633230, 5086522, 5813168, 7266460, 10173044, 12716305, 14532920, 20346088, 25432610, 29065840, 40692176, 50865220, 101730440, 203460880]

約数ペア:

[(1, 203460880), (2, 101730440), (4, 50865220), (5, 40692176), (7, 29065840), (8, 25432610), (10, 20346088), (14, 14532920), (16, 12716305), (20, 10173044), (28, 7266460), (35, 5813168), (40, 5086522), (56, 3633230), (70, 2906584), (80, 2543261), (112, 1816615), (140, 1453292), (280, 726646), (421, 483280), (560, 363323), (842, 241640), (863, 235760), (1684, 120820), (1726, 117880), (2105, 96656), (2947, 69040), (3368, 60410), (3452, 58940), (4210, 48328), (4315, 47152), (5894, 34520), (6041, 33680), (6736, 30205), (6904, 29470), (8420, 24164), (8630, 23576), (11788, 17260), (12082, 16840), (13808, 14735)]