354366920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{23131}}^1$

素因数の和:23525

約数の個数: 32

約数和(自身を含む): 799441920

約数和(自身を除く): 445075000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 15320, 23131, 46262, 92524, 115655, 185048, 231310, 462620, 925240, 8859173, 17718346, 35436692, 44295865, 70873384, 88591730, 177183460, 354366920]

約数ペア:

[(1, 354366920), (2, 177183460), (4, 88591730), (5, 70873384), (8, 44295865), (10, 35436692), (20, 17718346), (40, 8859173), (383, 925240), (766, 462620), (1532, 231310), (1915, 185048), (3064, 115655), (3830, 92524), (7660, 46262), (15320, 23131)]