166804540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{17783}}^1$

素因数の和:17866

約数の個数: 48

約数和(自身を含む): 406328832

約数和(自身を除く): 239524292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 17783, 35566, 71132, 88915, 124481, 177830, 248962, 355660, 497924, 622405, 1191461, 1244810, 2382922, 2489620, 4765844, 5957305, 8340227, 11914610, 16680454, 23829220, 33360908, 41701135, 83402270, 166804540]

約数ペア:

[(1, 166804540), (2, 83402270), (4, 41701135), (5, 33360908), (7, 23829220), (10, 16680454), (14, 11914610), (20, 8340227), (28, 5957305), (35, 4765844), (67, 2489620), (70, 2382922), (134, 1244810), (140, 1191461), (268, 622405), (335, 497924), (469, 355660), (670, 248962), (938, 177830), (1340, 124481), (1876, 88915), (2345, 71132), (4690, 35566), (9380, 17783)]