215838400

素因数分解:

$2^6\times 5^2\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:786

約数の個数: 84

約数和(自身を含む): 534109168

約数和(自身を除く): 318270768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 277, 320, 400, 487, 554, 800, 974, 1108, 1385, 1600, 1948, 2216, 2435, 2770, 3896, 4432, 4870, 5540, 6925, 7792, 8864, 9740, 11080, 12175, 13850, 15584, 17728, 19480, 22160, 24350, 27700, 31168, 38960, 44320, 48700, 55400, 77920, 88640, 97400, 110800, 134899, 155840, 194800, 221600, 269798, 389600, 443200, 539596, 674495, 779200, 1079192, 1348990, 2158384, 2697980, 3372475, 4316768, 5395960, 6744950, 8633536, 10791920, 13489900, 21583840, 26979800, 43167680, 53959600, 107919200, 215838400]

約数ペア:

[(1, 215838400), (2, 107919200), (4, 53959600), (5, 43167680), (8, 26979800), (10, 21583840), (16, 13489900), (20, 10791920), (25, 8633536), (32, 6744950), (40, 5395960), (50, 4316768), (64, 3372475), (80, 2697980), (100, 2158384), (160, 1348990), (200, 1079192), (277, 779200), (320, 674495), (400, 539596), (487, 443200), (554, 389600), (800, 269798), (974, 221600), (1108, 194800), (1385, 155840), (1600, 134899), (1948, 110800), (2216, 97400), (2435, 88640), (2770, 77920), (3896, 55400), (4432, 48700), (4870, 44320), (5540, 38960), (6925, 31168), (7792, 27700), (8864, 24350), (9740, 22160), (11080, 19480), (12175, 17728), (13850, 15584)]