251448400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{12829}}^1$

素因数の和:12861

約数の個数: 90

約数和(自身を含む): 702788910

約数和(自身を除く): 451340510

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 12829, 19600, 25658, 51316, 64145, 89803, 102632, 128290, 179606, 205264, 256580, 320725, 359212, 449015, 513160, 628621, 641450, 718424, 898030, 1026320, 1257242, 1282900, 1436848, 1796060, 2245075, 2514484, 2565800, 3143105, 3592120, 4490150, 5028968, 5131600, 6286210, 7184240, 8980300, 10057936, 12572420, 15715525, 17960600, 25144840, 31431050, 35921200, 50289680, 62862100, 125724200, 251448400]

約数ペア:

[(1, 251448400), (2, 125724200), (4, 62862100), (5, 50289680), (7, 35921200), (8, 31431050), (10, 25144840), (14, 17960600), (16, 15715525), (20, 12572420), (25, 10057936), (28, 8980300), (35, 7184240), (40, 6286210), (49, 5131600), (50, 5028968), (56, 4490150), (70, 3592120), (80, 3143105), (98, 2565800), (100, 2514484), (112, 2245075), (140, 1796060), (175, 1436848), (196, 1282900), (200, 1257242), (245, 1026320), (280, 898030), (350, 718424), (392, 641450), (400, 628621), (490, 513160), (560, 449015), (700, 359212), (784, 320725), (980, 256580), (1225, 205264), (1400, 179606), (1960, 128290), (2450, 102632), (2800, 89803), (3920, 64145), (4900, 51316), (9800, 25658), (12829, 19600)]