191508920

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{28669}}^1$

素因数の和:28847

約数の個数: 32

約数和(自身を含む): 433490400

約数和(自身を除く): 241981480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 28669, 57338, 114676, 143345, 229352, 286690, 573380, 1146760, 4787723, 9575446, 19150892, 23938615, 38301784, 47877230, 95754460, 191508920]

約数ペア:

[(1, 191508920), (2, 95754460), (4, 47877230), (5, 38301784), (8, 23938615), (10, 19150892), (20, 9575446), (40, 4787723), (167, 1146760), (334, 573380), (668, 286690), (835, 229352), (1336, 143345), (1670, 114676), (3340, 57338), (6680, 28669)]