243875780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{67369}}^1$

素因数の和:67559

約数の個数: 24

約数和(自身を含む): 514976280

約数和(自身を除く): 271100500

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 67369, 134738, 269476, 336845, 673690, 1347380, 12193789, 24387578, 48775156, 60968945, 121937890, 243875780]

約数ペア:

[(1, 243875780), (2, 121937890), (4, 60968945), (5, 48775156), (10, 24387578), (20, 12193789), (181, 1347380), (362, 673690), (724, 336845), (905, 269476), (1810, 134738), (3620, 67369)]