142747490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 261146160

約数和(自身を除く): 118398670

約数列:

[1, 2, 5, 10, 109, 173, 218, 346, 545, 757, 865, 1090, 1514, 1730, 3785, 7570, 18857, 37714, 82513, 94285, 130961, 165026, 188570, 261922, 412565, 654805, 825130, 1309610, 14274749, 28549498, 71373745, 142747490]

約数ペア:

[(1, 142747490), (2, 71373745), (5, 28549498), (10, 14274749), (109, 1309610), (173, 825130), (218, 654805), (346, 412565), (545, 261922), (757, 188570), (865, 165026), (1090, 130961), (1514, 94285), (1730, 82513), (3785, 37714), (7570, 18857)]