12842900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{2621}}^1$

素因数の和:2649

約数の個数: 54

約数和(自身を含む): 32431518

約数和(自身を除く): 19588618

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 2621, 4900, 5242, 10484, 13105, 18347, 26210, 36694, 52420, 65525, 73388, 91735, 128429, 131050, 183470, 256858, 262100, 366940, 458675, 513716, 642145, 917350, 1284290, 1834700, 2568580, 3210725, 6421450, 12842900]

約数ペア:

[(1, 12842900), (2, 6421450), (4, 3210725), (5, 2568580), (7, 1834700), (10, 1284290), (14, 917350), (20, 642145), (25, 513716), (28, 458675), (35, 366940), (49, 262100), (50, 256858), (70, 183470), (98, 131050), (100, 128429), (140, 91735), (175, 73388), (196, 65525), (245, 52420), (350, 36694), (490, 26210), (700, 18347), (980, 13105), (1225, 10484), (2450, 5242), (2621, 4900)]