39418100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 89369280

約数和(自身を除く): 49951180

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 103, 172, 178, 206, 215, 356, 412, 430, 445, 515, 860, 890, 1030, 1075, 1780, 2060, 2150, 2225, 2575, 3827, 4300, 4429, 4450, 5150, 7654, 8858, 8900, 9167, 10300, 15308, 17716, 18334, 19135, 22145, 36668, 38270, 44290, 45835, 76540, 88580, 91670, 95675, 110725, 183340, 191350, 221450, 229175, 382700, 394181, 442900, 458350, 788362, 916700, 1576724, 1970905, 3941810, 7883620, 9854525, 19709050, 39418100]

約数ペア:

[(1, 39418100), (2, 19709050), (4, 9854525), (5, 7883620), (10, 3941810), (20, 1970905), (25, 1576724), (43, 916700), (50, 788362), (86, 458350), (89, 442900), (100, 394181), (103, 382700), (172, 229175), (178, 221450), (206, 191350), (215, 183340), (356, 110725), (412, 95675), (430, 91670), (445, 88580), (515, 76540), (860, 45835), (890, 44290), (1030, 38270), (1075, 36668), (1780, 22145), (2060, 19135), (2150, 18334), (2225, 17716), (2575, 15308), (3827, 10300), (4300, 9167), (4429, 8900), (4450, 8858), (5150, 7654)]