1333220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 3265920

約数和(自身を除く): 1932700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 107, 140, 178, 214, 356, 428, 445, 535, 623, 749, 890, 1070, 1246, 1498, 1780, 2140, 2492, 2996, 3115, 3745, 6230, 7490, 9523, 12460, 14980, 19046, 38092, 47615, 66661, 95230, 133322, 190460, 266644, 333305, 666610, 1333220]

約数ペア:

[(1, 1333220), (2, 666610), (4, 333305), (5, 266644), (7, 190460), (10, 133322), (14, 95230), (20, 66661), (28, 47615), (35, 38092), (70, 19046), (89, 14980), (107, 12460), (140, 9523), (178, 7490), (214, 6230), (356, 3745), (428, 3115), (445, 2996), (535, 2492), (623, 2140), (749, 1780), (890, 1498), (1070, 1246)]