858846740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{52561}}^1$

素因数の和:52632

約数の個数: 48

約数和(自身を含む): 1942691520

約数和(自身を除く): 1083844780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 52561, 105122, 210244, 262805, 525610, 998659, 1051220, 1997318, 2260123, 3994636, 4520246, 4993295, 9040492, 9986590, 11300615, 19973180, 22601230, 42942337, 45202460, 85884674, 171769348, 214711685, 429423370, 858846740]

約数ペア:

[(1, 858846740), (2, 429423370), (4, 214711685), (5, 171769348), (10, 85884674), (19, 45202460), (20, 42942337), (38, 22601230), (43, 19973180), (76, 11300615), (86, 9986590), (95, 9040492), (172, 4993295), (190, 4520246), (215, 3994636), (380, 2260123), (430, 1997318), (817, 1051220), (860, 998659), (1634, 525610), (3268, 262805), (4085, 210244), (8170, 105122), (16340, 52561)]