438844540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{194179}}^1$

素因数の和:194301

約数の個数: 24

約数和(自身を含む): 929733840

約数和(自身を除く): 490889300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 194179, 388358, 776716, 970895, 1941790, 3883580, 21942227, 43884454, 87768908, 109711135, 219422270, 438844540]

約数ペア:

[(1, 438844540), (2, 219422270), (4, 109711135), (5, 87768908), (10, 43884454), (20, 21942227), (113, 3883580), (226, 1941790), (452, 970895), (565, 776716), (1130, 388358), (2260, 194179)]