397480440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{473191}}^1$

素因数の和:473212

約数の個数: 64

約数和(自身を含む): 1362792960

約数和(自身を除く): 965312520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 473191, 946382, 1419573, 1892764, 2365955, 2839146, 3312337, 3785528, 4731910, 5678292, 6624674, 7097865, 9463820, 9937011, 11356584, 13249348, 14195730, 16561685, 18927640, 19874022, 26498696, 28391460, 33123370, 39748044, 49685055, 56782920, 66246740, 79496088, 99370110, 132493480, 198740220, 397480440]

約数ペア:

[(1, 397480440), (2, 198740220), (3, 132493480), (4, 99370110), (5, 79496088), (6, 66246740), (7, 56782920), (8, 49685055), (10, 39748044), (12, 33123370), (14, 28391460), (15, 26498696), (20, 19874022), (21, 18927640), (24, 16561685), (28, 14195730), (30, 13249348), (35, 11356584), (40, 9937011), (42, 9463820), (56, 7097865), (60, 6624674), (70, 5678292), (84, 4731910), (105, 3785528), (120, 3312337), (140, 2839146), (168, 2365955), (210, 1892764), (280, 1419573), (420, 946382), (840, 473191)]