140806768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2141

約数の個数: 40

約数和(自身を含む): 282009728

約数和(自身を除く): 141202960

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1648, 1987, 3974, 4429, 7948, 8858, 15896, 17716, 31792, 35432, 70864, 85441, 170882, 204661, 341764, 409322, 683528, 818644, 1367056, 1637288, 3274576, 8800423, 17600846, 35201692, 70403384, 140806768]

約数ペア:

[(1, 140806768), (2, 70403384), (4, 35201692), (8, 17600846), (16, 8800423), (43, 3274576), (86, 1637288), (103, 1367056), (172, 818644), (206, 683528), (344, 409322), (412, 341764), (688, 204661), (824, 170882), (1648, 85441), (1987, 70864), (3974, 35432), (4429, 31792), (7948, 17716), (8858, 15896)]