290475230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{15761}}^1$

素因数の和:15884

約数の個数: 32

約数和(自身を含む): 556083360

約数和(自身を除く): 265608130

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1843, 3686, 9215, 15761, 18430, 31522, 78805, 157610, 299459, 598918, 1497295, 1528817, 2994590, 3057634, 7644085, 15288170, 29047523, 58095046, 145237615, 290475230]

約数ペア:

[(1, 290475230), (2, 145237615), (5, 58095046), (10, 29047523), (19, 15288170), (38, 7644085), (95, 3057634), (97, 2994590), (190, 1528817), (194, 1497295), (485, 598918), (970, 299459), (1843, 157610), (3686, 78805), (9215, 31522), (15761, 18430)]