68303420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 147184128

約数和(自身を除く): 78880708

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 467, 515, 710, 934, 1030, 1420, 1868, 2060, 2335, 4670, 7313, 9340, 14626, 29252, 33157, 36565, 48101, 66314, 73130, 96202, 132628, 146260, 165785, 192404, 240505, 331570, 481010, 663140, 962020, 3415171, 6830342, 13660684, 17075855, 34151710, 68303420]

約数ペア:

[(1, 68303420), (2, 34151710), (4, 17075855), (5, 13660684), (10, 6830342), (20, 3415171), (71, 962020), (103, 663140), (142, 481010), (206, 331570), (284, 240505), (355, 192404), (412, 165785), (467, 146260), (515, 132628), (710, 96202), (934, 73130), (1030, 66314), (1420, 48101), (1868, 36565), (2060, 33157), (2335, 29252), (4670, 14626), (7313, 9340)]