4398380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 10704960

約数和(自身を除く): 6306580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 353, 356, 445, 623, 706, 890, 1246, 1412, 1765, 1780, 2471, 2492, 3115, 3530, 4942, 6230, 7060, 9884, 12355, 12460, 24710, 31417, 49420, 62834, 125668, 157085, 219919, 314170, 439838, 628340, 879676, 1099595, 2199190, 4398380]

約数ペア:

[(1, 4398380), (2, 2199190), (4, 1099595), (5, 879676), (7, 628340), (10, 439838), (14, 314170), (20, 219919), (28, 157085), (35, 125668), (70, 62834), (89, 49420), (140, 31417), (178, 24710), (353, 12460), (356, 12355), (445, 9884), (623, 7060), (706, 6230), (890, 4942), (1246, 3530), (1412, 3115), (1765, 2492), (1780, 2471)]