7214420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2633}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 15266664

約数和(自身を除く): 8052244

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2633, 2740, 5266, 10532, 13165, 26330, 52660, 360721, 721442, 1442884, 1803605, 3607210, 7214420]

約数ペア:

[(1, 7214420), (2, 3607210), (4, 1803605), (5, 1442884), (10, 721442), (20, 360721), (137, 52660), (274, 26330), (548, 13165), (685, 10532), (1370, 5266), (2633, 2740)]