164199580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 352418976

約数和(自身を除く): 188219396

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 181, 268, 335, 362, 670, 677, 724, 905, 1340, 1354, 1810, 2708, 3385, 3620, 6770, 12127, 13540, 24254, 45359, 48508, 60635, 90718, 121270, 122537, 181436, 226795, 242540, 245074, 453590, 490148, 612685, 907180, 1225370, 2450740, 8209979, 16419958, 32839916, 41049895, 82099790, 164199580]

約数ペア:

[(1, 164199580), (2, 82099790), (4, 41049895), (5, 32839916), (10, 16419958), (20, 8209979), (67, 2450740), (134, 1225370), (181, 907180), (268, 612685), (335, 490148), (362, 453590), (670, 245074), (677, 242540), (724, 226795), (905, 181436), (1340, 122537), (1354, 121270), (1810, 90718), (2708, 60635), (3385, 48508), (3620, 45359), (6770, 24254), (12127, 13540)]