440380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 938448

約数和(自身を除く): 498068

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 227, 388, 454, 485, 908, 970, 1135, 1940, 2270, 4540, 22019, 44038, 88076, 110095, 220190, 440380]

約数ペア:

[(1, 440380), (2, 220190), (4, 110095), (5, 88076), (10, 44038), (20, 22019), (97, 4540), (194, 2270), (227, 1940), (388, 1135), (454, 970), (485, 908)]