289451540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2067511}}^1$

素因数の和:2067527

約数の個数: 24

約数和(自身を含む): 694684032

約数和(自身を除く): 405232492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2067511, 4135022, 8270044, 10337555, 14472577, 20675110, 28945154, 41350220, 57890308, 72362885, 144725770, 289451540]

約数ペア:

[(1, 289451540), (2, 144725770), (4, 72362885), (5, 57890308), (7, 41350220), (10, 28945154), (14, 20675110), (20, 14472577), (28, 10337555), (35, 8270044), (70, 4135022), (140, 2067511)]