7942900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1649

約数の個数: 54

約数和(自身を含む): 20062518

約数和(自身を除く): 12119618

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, 1621, 2450, 3242, 4900, 6484, 8105, 11347, 16210, 22694, 32420, 40525, 45388, 56735, 79429, 81050, 113470, 158858, 162100, 226940, 283675, 317716, 397145, 567350, 794290, 1134700, 1588580, 1985725, 3971450, 7942900]

約数ペア:

[(1, 7942900), (2, 3971450), (4, 1985725), (5, 1588580), (7, 1134700), (10, 794290), (14, 567350), (20, 397145), (25, 317716), (28, 283675), (35, 226940), (49, 162100), (50, 158858), (70, 113470), (98, 81050), (100, 79429), (140, 56735), (175, 45388), (196, 40525), (245, 32420), (350, 22694), (490, 16210), (700, 11347), (980, 8105), (1225, 6484), (1621, 4900), (2450, 3242)]