313638220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{320039}}^1$

素因数の和:320062

約数の個数: 36

約数和(自身を含む): 766175760

約数和(自身を除く): 452537540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 320039, 640078, 1280156, 1600195, 2240273, 3200390, 4480546, 6400780, 8961092, 11201365, 15681911, 22402730, 31363822, 44805460, 62727644, 78409555, 156819110, 313638220]

約数ペア:

[(1, 313638220), (2, 156819110), (4, 78409555), (5, 62727644), (7, 44805460), (10, 31363822), (14, 22402730), (20, 15681911), (28, 11201365), (35, 8961092), (49, 6400780), (70, 4480546), (98, 3200390), (140, 2240273), (196, 1600195), (245, 1280156), (490, 640078), (980, 320039)]