1373820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3271}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 4397568

約数和(自身を除く): 3023748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3271, 6542, 9813, 13084, 16355, 19626, 22897, 32710, 39252, 45794, 49065, 65420, 68691, 91588, 98130, 114485, 137382, 196260, 228970, 274764, 343455, 457940, 686910, 1373820]

約数ペア:

[(1, 1373820), (2, 686910), (3, 457940), (4, 343455), (5, 274764), (6, 228970), (7, 196260), (10, 137382), (12, 114485), (14, 98130), (15, 91588), (20, 68691), (21, 65420), (28, 49065), (30, 45794), (35, 39252), (42, 32710), (60, 22897), (70, 19626), (84, 16355), (105, 13084), (140, 9813), (210, 6542), (420, 3271)]