229609720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{25741}}^1$

素因数の和:25975

約数の個数: 32

約数和(自身を含む): 518958720

約数和(自身を除く): 289349000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 25741, 51482, 102964, 128705, 205928, 257410, 514820, 1029640, 5740243, 11480486, 22960972, 28701215, 45921944, 57402430, 114804860, 229609720]

約数ペア:

[(1, 229609720), (2, 114804860), (4, 57402430), (5, 45921944), (8, 28701215), (10, 22960972), (20, 11480486), (40, 5740243), (223, 1029640), (446, 514820), (892, 257410), (1115, 205928), (1784, 128705), (2230, 102964), (4460, 51482), (8920, 25741)]