9984820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 21909888

約数和(自身を除く): 11925068

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 103, 131, 148, 185, 206, 262, 370, 412, 515, 524, 655, 740, 1030, 1310, 2060, 2620, 3811, 4847, 7622, 9694, 13493, 15244, 19055, 19388, 24235, 26986, 38110, 48470, 53972, 67465, 76220, 96940, 134930, 269860, 499241, 998482, 1996964, 2496205, 4992410, 9984820]

約数ペア:

[(1, 9984820), (2, 4992410), (4, 2496205), (5, 1996964), (10, 998482), (20, 499241), (37, 269860), (74, 134930), (103, 96940), (131, 76220), (148, 67465), (185, 53972), (206, 48470), (262, 38110), (370, 26986), (412, 24235), (515, 19388), (524, 19055), (655, 15244), (740, 13493), (1030, 9694), (1310, 7622), (2060, 4847), (2620, 3811)]