90288968

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20939}}^1$

素因数の和:20970

約数の個数: 48

約数和(自身を含む): 214844400

約数和(自身を除く): 124555432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 20939, 41878, 83756, 146573, 167512, 230329, 293146, 460658, 586292, 921316, 1026011, 1172584, 1612303, 1842632, 2052022, 3224606, 4104044, 6449212, 8208088, 11286121, 12898424, 22572242, 45144484, 90288968]

約数ペア:

[(1, 90288968), (2, 45144484), (4, 22572242), (7, 12898424), (8, 11286121), (11, 8208088), (14, 6449212), (22, 4104044), (28, 3224606), (44, 2052022), (49, 1842632), (56, 1612303), (77, 1172584), (88, 1026011), (98, 921316), (154, 586292), (196, 460658), (308, 293146), (392, 230329), (539, 167512), (616, 146573), (1078, 83756), (2156, 41878), (4312, 20939)]