421736290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{473861}}^1$

素因数の和:473957

約数の個数: 16

約数和(自身を含む): 767656440

約数和(自身を除く): 345920150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 473861, 947722, 2369305, 4738610, 42173629, 84347258, 210868145, 421736290]

約数ペア:

[(1, 421736290), (2, 210868145), (5, 84347258), (10, 42173629), (89, 4738610), (178, 2369305), (445, 947722), (890, 473861)]