7156940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 17907120

約数和(自身を除く): 10750180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 109, 134, 140, 196, 218, 245, 268, 335, 436, 469, 490, 545, 670, 763, 938, 980, 1090, 1340, 1526, 1876, 2180, 2345, 3052, 3283, 3815, 4690, 5341, 6566, 7303, 7630, 9380, 10682, 13132, 14606, 15260, 16415, 21364, 26705, 29212, 32830, 36515, 51121, 53410, 65660, 73030, 102242, 106820, 146060, 204484, 255605, 357847, 511210, 715694, 1022420, 1431388, 1789235, 3578470, 7156940]

約数ペア:

[(1, 7156940), (2, 3578470), (4, 1789235), (5, 1431388), (7, 1022420), (10, 715694), (14, 511210), (20, 357847), (28, 255605), (35, 204484), (49, 146060), (67, 106820), (70, 102242), (98, 73030), (109, 65660), (134, 53410), (140, 51121), (196, 36515), (218, 32830), (245, 29212), (268, 26705), (335, 21364), (436, 16415), (469, 15260), (490, 14606), (545, 13132), (670, 10682), (763, 9380), (938, 7630), (980, 7303), (1090, 6566), (1340, 5341), (1526, 4690), (1876, 3815), (2180, 3283), (2345, 3052)]