487804780

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{36899}}^1$

素因数の和:37569

約数の個数: 24

約数和(自身を含む): 1025967600

約数和(自身を除く): 538162820

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 36899, 73798, 147596, 184495, 368990, 737980, 24390239, 48780478, 97560956, 121951195, 243902390, 487804780]

約数ペア:

[(1, 487804780), (2, 243902390), (4, 121951195), (5, 97560956), (10, 48780478), (20, 24390239), (661, 737980), (1322, 368990), (2644, 184495), (3305, 147596), (6610, 73798), (13220, 36899)]