189110960

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2371}}^1$

素因数の和:3381

約数の個数: 40

約数和(自身を含む): 440309616

約数和(自身を除く): 251198656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1994, 2371, 3988, 4742, 4985, 7976, 9484, 9970, 11855, 15952, 18968, 19940, 23710, 37936, 39880, 47420, 79760, 94840, 189680, 2363887, 4727774, 9455548, 11819435, 18911096, 23638870, 37822192, 47277740, 94555480, 189110960]

約数ペア:

[(1, 189110960), (2, 94555480), (4, 47277740), (5, 37822192), (8, 23638870), (10, 18911096), (16, 11819435), (20, 9455548), (40, 4727774), (80, 2363887), (997, 189680), (1994, 94840), (2371, 79760), (3988, 47420), (4742, 39880), (4985, 37936), (7976, 23710), (9484, 19940), (9970, 18968), (11855, 15952)]