247557800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{25261}}^1$

素因数の和:25291

約数の個数: 72

約数和(自身を含む): 669569310

約数和(自身を除く): 422011510

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 25261, 50522, 101044, 126305, 176827, 202088, 252610, 353654, 505220, 631525, 707308, 884135, 1010440, 1237789, 1263050, 1414616, 1768270, 2475578, 2526100, 3536540, 4420675, 4951156, 5052200, 6188945, 7073080, 8841350, 9902312, 12377890, 17682700, 24755780, 30944725, 35365400, 49511560, 61889450, 123778900, 247557800]

約数ペア:

[(1, 247557800), (2, 123778900), (4, 61889450), (5, 49511560), (7, 35365400), (8, 30944725), (10, 24755780), (14, 17682700), (20, 12377890), (25, 9902312), (28, 8841350), (35, 7073080), (40, 6188945), (49, 5052200), (50, 4951156), (56, 4420675), (70, 3536540), (98, 2526100), (100, 2475578), (140, 1768270), (175, 1414616), (196, 1263050), (200, 1237789), (245, 1010440), (280, 884135), (350, 707308), (392, 631525), (490, 505220), (700, 353654), (980, 252610), (1225, 202088), (1400, 176827), (1960, 126305), (2450, 101044), (4900, 50522), (9800, 25261)]