488761780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{18251}}^1$

素因数の和:18376

約数の個数: 48

約数和(自身を含む): 1116146304

約数和(自身を除く): 627384524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 13390, 18251, 26780, 36502, 73004, 91255, 182510, 237263, 365020, 474526, 949052, 1186315, 1879853, 2372630, 3759706, 4745260, 7519412, 9399265, 18798530, 24438089, 37597060, 48876178, 97752356, 122190445, 244380890, 488761780]

約数ペア:

[(1, 488761780), (2, 244380890), (4, 122190445), (5, 97752356), (10, 48876178), (13, 37597060), (20, 24438089), (26, 18798530), (52, 9399265), (65, 7519412), (103, 4745260), (130, 3759706), (206, 2372630), (260, 1879853), (412, 1186315), (515, 949052), (1030, 474526), (1339, 365020), (2060, 237263), (2678, 182510), (5356, 91255), (6695, 73004), (13390, 36502), (18251, 26780)]