155427820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3011}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 341560800

約数和(自身を除く): 186132980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1780, 2581, 3011, 5162, 6022, 10324, 12044, 12905, 15055, 25810, 30110, 51620, 60220, 87319, 174638, 267979, 349276, 436595, 535958, 873190, 1071916, 1339895, 1746380, 2679790, 5359580, 7771391, 15542782, 31085564, 38856955, 77713910, 155427820]

約数ペア:

[(1, 155427820), (2, 77713910), (4, 38856955), (5, 31085564), (10, 15542782), (20, 7771391), (29, 5359580), (58, 2679790), (89, 1746380), (116, 1339895), (145, 1071916), (178, 873190), (290, 535958), (356, 436595), (445, 349276), (580, 267979), (890, 174638), (1780, 87319), (2581, 60220), (3011, 51620), (5162, 30110), (6022, 25810), (10324, 15055), (12044, 12905)]