320867792

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{168523}}^1$

素因数の和:168555

約数の個数: 40

約数和(自身を含む): 752291136

約数和(自身を除く): 431423344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 168523, 337046, 674092, 1179661, 1348184, 2359322, 2696368, 2864891, 4718644, 5729782, 9437288, 11459564, 18874576, 20054237, 22919128, 40108474, 45838256, 80216948, 160433896, 320867792]

約数ペア:

[(1, 320867792), (2, 160433896), (4, 80216948), (7, 45838256), (8, 40108474), (14, 22919128), (16, 20054237), (17, 18874576), (28, 11459564), (34, 9437288), (56, 5729782), (68, 4718644), (112, 2864891), (119, 2696368), (136, 2359322), (238, 1348184), (272, 1179661), (476, 674092), (952, 337046), (1904, 168523)]