201551420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6823}}^1$

素因数の和:7050

約数の個数: 48

約数和(自身を含む): 486087168

約数和(自身を除く): 284535748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 6823, 7385, 13646, 14770, 27292, 29540, 34115, 47761, 68230, 95522, 136460, 191044, 238805, 477610, 955220, 1439653, 2879306, 5758612, 7198265, 10077571, 14396530, 20155142, 28793060, 40310284, 50387855, 100775710, 201551420]

約数ペア:

[(1, 201551420), (2, 100775710), (4, 50387855), (5, 40310284), (7, 28793060), (10, 20155142), (14, 14396530), (20, 10077571), (28, 7198265), (35, 5758612), (70, 2879306), (140, 1439653), (211, 955220), (422, 477610), (844, 238805), (1055, 191044), (1477, 136460), (2110, 95522), (2954, 68230), (4220, 47761), (5908, 34115), (6823, 29540), (7385, 27292), (13646, 14770)]