720283990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{660811}}^1$

素因数の和:660927

約数の個数: 16

約数和(自身を含む): 1308407760

約数和(自身を除く): 588123770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 660811, 1321622, 3304055, 6608110, 72028399, 144056798, 360141995, 720283990]

約数ペア:

[(1, 720283990), (2, 360141995), (5, 144056798), (10, 72028399), (109, 6608110), (218, 3304055), (545, 1321622), (1090, 660811)]