170217820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1091}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 371498400

約数和(自身を除く): 201280580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 538, 580, 1076, 1091, 1345, 2182, 2690, 4364, 5380, 5455, 7801, 10910, 15602, 21820, 31204, 31639, 39005, 63278, 78010, 126556, 156020, 158195, 293479, 316390, 586958, 632780, 1173916, 1467395, 2934790, 5869580, 8510891, 17021782, 34043564, 42554455, 85108910, 170217820]

約数ペア:

[(1, 170217820), (2, 85108910), (4, 42554455), (5, 34043564), (10, 17021782), (20, 8510891), (29, 5869580), (58, 2934790), (116, 1467395), (145, 1173916), (269, 632780), (290, 586958), (538, 316390), (580, 293479), (1076, 158195), (1091, 156020), (1345, 126556), (2182, 78010), (2690, 63278), (4364, 39005), (5380, 31639), (5455, 31204), (7801, 21820), (10910, 15602)]