219820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 478800

約数和(自身を除く): 258980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 379, 580, 758, 1516, 1895, 3790, 7580, 10991, 21982, 43964, 54955, 109910, 219820]

約数ペア:

[(1, 219820), (2, 109910), (4, 54955), (5, 43964), (10, 21982), (20, 10991), (29, 7580), (58, 3790), (116, 1895), (145, 1516), (290, 758), (379, 580)]