74641940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{128693}}^1$

素因数の和:128731

約数の個数: 24

約数和(自身を含む): 162154440

約数和(自身を除く): 87512500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 128693, 257386, 514772, 643465, 1286930, 2573860, 3732097, 7464194, 14928388, 18660485, 37320970, 74641940]

約数ペア:

[(1, 74641940), (2, 37320970), (4, 18660485), (5, 14928388), (10, 7464194), (20, 3732097), (29, 2573860), (58, 1286930), (116, 643465), (145, 514772), (290, 257386), (580, 128693)]