400345460

素因数分解:

$2^2\times 5^1\times {\mathrm{3541}}^1\times {\mathrm{5653}}^1$

素因数の和:9203

約数の個数: 24

約数和(自身を含む): 841111656

約数和(自身を除く): 440766196

約数列:

[1, 2, 4, 5, 10, 20, 3541, 5653, 7082, 11306, 14164, 17705, 22612, 28265, 35410, 56530, 70820, 113060, 20017273, 40034546, 80069092, 100086365, 200172730, 400345460]

約数ペア:

[(1, 400345460), (2, 200172730), (4, 100086365), (5, 80069092), (10, 40034546), (20, 20017273), (3541, 113060), (5653, 70820), (7082, 56530), (11306, 35410), (14164, 28265), (17705, 22612)]