263820760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{942217}}^1$

素因数の和:942235

約数の個数: 32

約数和(自身を含む): 678396960

約数和(自身を除く): 414576200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 942217, 1884434, 3768868, 4711085, 6595519, 7537736, 9422170, 13191038, 18844340, 26382076, 32977595, 37688680, 52764152, 65955190, 131910380, 263820760]

約数ペア:

[(1, 263820760), (2, 131910380), (4, 65955190), (5, 52764152), (7, 37688680), (8, 32977595), (10, 26382076), (14, 18844340), (20, 13191038), (28, 9422170), (35, 7537736), (40, 6595519), (56, 4711085), (70, 3768868), (140, 1884434), (280, 942217)]