211044860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 489756960

約数和(自身を除く): 278712100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 439, 559, 860, 878, 1118, 1756, 1849, 2195, 2236, 2795, 3698, 4390, 5590, 5707, 7396, 8780, 9245, 11180, 11414, 18490, 18877, 22828, 24037, 28535, 36980, 37754, 48074, 57070, 75508, 94385, 96148, 114140, 120185, 188770, 240370, 245401, 377540, 480740, 490802, 811711, 981604, 1227005, 1623422, 2454010, 3246844, 4058555, 4908020, 8117110, 10552243, 16234220, 21104486, 42208972, 52761215, 105522430, 211044860]

約数ペア:

[(1, 211044860), (2, 105522430), (4, 52761215), (5, 42208972), (10, 21104486), (13, 16234220), (20, 10552243), (26, 8117110), (43, 4908020), (52, 4058555), (65, 3246844), (86, 2454010), (130, 1623422), (172, 1227005), (215, 981604), (260, 811711), (430, 490802), (439, 480740), (559, 377540), (860, 245401), (878, 240370), (1118, 188770), (1756, 120185), (1849, 114140), (2195, 96148), (2236, 94385), (2795, 75508), (3698, 57070), (4390, 48074), (5590, 37754), (5707, 36980), (7396, 28535), (8780, 24037), (9245, 22828), (11180, 18877), (11414, 18490)]