318847660

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{21929}}^1$

素因数の和:22665

約数の個数: 24

約数和(自身を含む): 670531680

約数和(自身を除く): 351684020

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 21929, 43858, 87716, 109645, 219290, 438580, 15942383, 31884766, 63769532, 79711915, 159423830, 318847660]

約数ペア:

[(1, 318847660), (2, 159423830), (4, 79711915), (5, 63769532), (10, 31884766), (20, 15942383), (727, 438580), (1454, 219290), (2908, 109645), (3635, 87716), (7270, 43858), (14540, 21929)]