738893810

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{2389}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 1345837680

約数和(自身を除く): 606943870

約数列:

[1, 2, 5, 10, 157, 197, 314, 394, 785, 985, 1570, 1970, 2389, 4778, 11945, 23890, 30929, 61858, 154645, 309290, 375073, 470633, 750146, 941266, 1875365, 2353165, 3750730, 4706330, 73889381, 147778762, 369446905, 738893810]

約数ペア:

[(1, 738893810), (2, 369446905), (5, 147778762), (10, 73889381), (157, 4706330), (197, 3750730), (314, 2353165), (394, 1875365), (785, 941266), (985, 750146), (1570, 470633), (1970, 375073), (2389, 309290), (4778, 154645), (11945, 61858), (23890, 30929)]