51136400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{2609}}^1$

素因数の和:2641

約数の個数: 90

約数和(自身を含む): 142967970

約数和(自身を除く): 91831570

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, 2609, 2800, 3920, 4900, 5218, 9800, 10436, 13045, 18263, 19600, 20872, 26090, 36526, 41744, 52180, 65225, 73052, 91315, 104360, 127841, 130450, 146104, 182630, 208720, 255682, 260900, 292208, 365260, 456575, 511364, 521800, 639205, 730520, 913150, 1022728, 1043600, 1278410, 1461040, 1826300, 2045456, 2556820, 3196025, 3652600, 5113640, 6392050, 7305200, 10227280, 12784100, 25568200, 51136400]

約数ペア:

[(1, 51136400), (2, 25568200), (4, 12784100), (5, 10227280), (7, 7305200), (8, 6392050), (10, 5113640), (14, 3652600), (16, 3196025), (20, 2556820), (25, 2045456), (28, 1826300), (35, 1461040), (40, 1278410), (49, 1043600), (50, 1022728), (56, 913150), (70, 730520), (80, 639205), (98, 521800), (100, 511364), (112, 456575), (140, 365260), (175, 292208), (196, 260900), (200, 255682), (245, 208720), (280, 182630), (350, 146104), (392, 130450), (400, 127841), (490, 104360), (560, 91315), (700, 73052), (784, 65225), (980, 52180), (1225, 41744), (1400, 36526), (1960, 26090), (2450, 20872), (2609, 19600), (2800, 18263), (3920, 13045), (4900, 10436), (5218, 9800)]