211432880

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{7487}}^1$

素因数の和:7853

約数の個数: 40

約数和(自身を含む): 493039872

約数和(自身を除く): 281606992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 7487, 14120, 14974, 28240, 29948, 37435, 59896, 74870, 119792, 149740, 299480, 598960, 2642911, 5285822, 10571644, 13214555, 21143288, 26429110, 42286576, 52858220, 105716440, 211432880]

約数ペア:

[(1, 211432880), (2, 105716440), (4, 52858220), (5, 42286576), (8, 26429110), (10, 21143288), (16, 13214555), (20, 10571644), (40, 5285822), (80, 2642911), (353, 598960), (706, 299480), (1412, 149740), (1765, 119792), (2824, 74870), (3530, 59896), (5648, 37435), (7060, 29948), (7487, 28240), (14120, 14974)]