320423900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{110491}}^1$

素因数の和:110534

約数の個数: 36

約数和(自身を含む): 719302920

約数和(自身を除く): 398879020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 110491, 220982, 441964, 552455, 1104910, 2209820, 2762275, 3204239, 5524550, 6408478, 11049100, 12816956, 16021195, 32042390, 64084780, 80105975, 160211950, 320423900]

約数ペア:

[(1, 320423900), (2, 160211950), (4, 80105975), (5, 64084780), (10, 32042390), (20, 16021195), (25, 12816956), (29, 11049100), (50, 6408478), (58, 5524550), (100, 3204239), (116, 2762275), (145, 2209820), (290, 1104910), (580, 552455), (725, 441964), (1450, 220982), (2900, 110491)]