179677790

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 327317760

約数和(自身を除く): 147639970

約数列:

[1, 2, 5, 10, 197, 223, 394, 409, 446, 818, 985, 1115, 1970, 2045, 2230, 4090, 43931, 80573, 87862, 91207, 161146, 182414, 219655, 402865, 439310, 456035, 805730, 912070, 17967779, 35935558, 89838895, 179677790]

約数ペア:

[(1, 179677790), (2, 89838895), (5, 35935558), (10, 17967779), (197, 912070), (223, 805730), (394, 456035), (409, 439310), (446, 402865), (818, 219655), (985, 182414), (1115, 161146), (1970, 91207), (2045, 87862), (2230, 80573), (4090, 43931)]