201728540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{4591}}^1$

素因数の和:4639

約数の個数: 48

約数和(自身を含む): 459016320

約数和(自身を除く): 257287780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 4591, 8788, 9182, 10985, 18364, 21970, 22955, 43940, 45910, 59683, 91820, 119366, 238732, 298415, 596830, 775879, 1193660, 1551758, 3103516, 3879395, 7758790, 10086427, 15517580, 20172854, 40345708, 50432135, 100864270, 201728540]

約数ペア:

[(1, 201728540), (2, 100864270), (4, 50432135), (5, 40345708), (10, 20172854), (13, 15517580), (20, 10086427), (26, 7758790), (52, 3879395), (65, 3103516), (130, 1551758), (169, 1193660), (260, 775879), (338, 596830), (676, 298415), (845, 238732), (1690, 119366), (2197, 91820), (3380, 59683), (4394, 45910), (4591, 43940), (8788, 22955), (9182, 21970), (10985, 18364)]