211679560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{72493}}^1$

素因数の和:72577

約数の個数: 32

約数和(自身を含む): 482810040

約数和(自身を除く): 271130480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 72493, 144986, 289972, 362465, 579944, 724930, 1449860, 2899720, 5291989, 10583978, 21167956, 26459945, 42335912, 52919890, 105839780, 211679560]

約数ペア:

[(1, 211679560), (2, 105839780), (4, 52919890), (5, 42335912), (8, 26459945), (10, 21167956), (20, 10583978), (40, 5291989), (73, 2899720), (146, 1449860), (292, 724930), (365, 579944), (584, 362465), (730, 289972), (1460, 144986), (2920, 72493)]