191223580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{5171}}^1$

素因数の和:5266

約数の個数: 36

約数和(自身を含む): 411205032

約数和(自身を除く): 219981452

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 5171, 7396, 9245, 10342, 18490, 20684, 25855, 36980, 51710, 103420, 222353, 444706, 889412, 1111765, 2223530, 4447060, 9561179, 19122358, 38244716, 47805895, 95611790, 191223580]

約数ペア:

[(1, 191223580), (2, 95611790), (4, 47805895), (5, 38244716), (10, 19122358), (20, 9561179), (43, 4447060), (86, 2223530), (172, 1111765), (215, 889412), (430, 444706), (860, 222353), (1849, 103420), (3698, 51710), (5171, 36980), (7396, 25855), (9245, 20684), (10342, 18490)]