331405980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{290707}}^1$

素因数の和:290738

約数の個数: 48

約数和(自身を含む): 976778880

約数和(自身を除く): 645372900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 290707, 581414, 872121, 1162828, 1453535, 1744242, 2907070, 3488484, 4360605, 5523433, 5814140, 8721210, 11046866, 16570299, 17442420, 22093732, 27617165, 33140598, 55234330, 66281196, 82851495, 110468660, 165702990, 331405980]

約数ペア:

[(1, 331405980), (2, 165702990), (3, 110468660), (4, 82851495), (5, 66281196), (6, 55234330), (10, 33140598), (12, 27617165), (15, 22093732), (19, 17442420), (20, 16570299), (30, 11046866), (38, 8721210), (57, 5814140), (60, 5523433), (76, 4360605), (95, 3488484), (114, 2907070), (190, 1744242), (228, 1453535), (285, 1162828), (380, 872121), (570, 581414), (1140, 290707)]