1947860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 4358172

約数和(自身を除く): 2410312

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 337, 340, 578, 674, 1156, 1348, 1445, 1685, 2890, 3370, 5729, 5780, 6740, 11458, 22916, 28645, 57290, 97393, 114580, 194786, 389572, 486965, 973930, 1947860]

約数ペア:

[(1, 1947860), (2, 973930), (4, 486965), (5, 389572), (10, 194786), (17, 114580), (20, 97393), (34, 57290), (68, 28645), (85, 22916), (170, 11458), (289, 6740), (337, 5780), (340, 5729), (578, 3370), (674, 2890), (1156, 1685), (1348, 1445)]