209962960

素因数分解:

$2^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2801}}^1$

素因数の和:3751

約数の個数: 40

約数和(自身を含む): 488859336

約数和(自身を除く): 278896376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 937, 1874, 2801, 3748, 4685, 5602, 7496, 9370, 11204, 14005, 14992, 18740, 22408, 28010, 37480, 44816, 56020, 74960, 112040, 224080, 2624537, 5249074, 10498148, 13122685, 20996296, 26245370, 41992592, 52490740, 104981480, 209962960]

約数ペア:

[(1, 209962960), (2, 104981480), (4, 52490740), (5, 41992592), (8, 26245370), (10, 20996296), (16, 13122685), (20, 10498148), (40, 5249074), (80, 2624537), (937, 224080), (1874, 112040), (2801, 74960), (3748, 56020), (4685, 44816), (5602, 37480), (7496, 28010), (9370, 22408), (11204, 18740), (14005, 14992)]