247442980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{44029}}^1$

素因数の和:44319

約数の個数: 24

約数和(自身を含む): 521491320

約数和(自身を除く): 274048340

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 44029, 88058, 176116, 220145, 440290, 880580, 12372149, 24744298, 49488596, 61860745, 123721490, 247442980]

約数ペア:

[(1, 247442980), (2, 123721490), (4, 61860745), (5, 49488596), (10, 24744298), (20, 12372149), (281, 880580), (562, 440290), (1124, 220145), (1405, 176116), (2810, 88058), (5620, 44029)]