38103820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 82555200

約数和(自身を除く): 44451380

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 349, 412, 515, 530, 698, 1030, 1060, 1396, 1745, 2060, 3490, 5459, 6980, 10918, 18497, 21836, 27295, 35947, 36994, 54590, 71894, 73988, 92485, 109180, 143788, 179735, 184970, 359470, 369940, 718940, 1905191, 3810382, 7620764, 9525955, 19051910, 38103820]

約数ペア:

[(1, 38103820), (2, 19051910), (4, 9525955), (5, 7620764), (10, 3810382), (20, 1905191), (53, 718940), (103, 369940), (106, 359470), (206, 184970), (212, 179735), (265, 143788), (349, 109180), (412, 92485), (515, 73988), (530, 71894), (698, 54590), (1030, 36994), (1060, 35947), (1396, 27295), (1745, 21836), (2060, 18497), (3490, 10918), (5459, 6980)]