311949340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{1181}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 671981184

約数和(自身を除く): 360031844

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 281, 470, 562, 940, 1124, 1181, 1405, 2362, 2810, 4724, 5620, 5905, 11810, 13207, 23620, 26414, 52828, 55507, 66035, 111014, 132070, 222028, 264140, 277535, 331861, 555070, 663722, 1110140, 1327444, 1659305, 3318610, 6637220, 15597467, 31194934, 62389868, 77987335, 155974670, 311949340]

約数ペア:

[(1, 311949340), (2, 155974670), (4, 77987335), (5, 62389868), (10, 31194934), (20, 15597467), (47, 6637220), (94, 3318610), (188, 1659305), (235, 1327444), (281, 1110140), (470, 663722), (562, 555070), (940, 331861), (1124, 277535), (1181, 264140), (1405, 222028), (2362, 132070), (2810, 111014), (4724, 66035), (5620, 55507), (5905, 52828), (11810, 26414), (13207, 23620)]