421140440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1504073}}^1$

素因数の和:1504091

約数の個数: 32

約数和(自身を含む): 1082933280

約数和(自身を除く): 661792840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1504073, 3008146, 6016292, 7520365, 10528511, 12032584, 15040730, 21057022, 30081460, 42114044, 52642555, 60162920, 84228088, 105285110, 210570220, 421140440]

約数ペア:

[(1, 421140440), (2, 210570220), (4, 105285110), (5, 84228088), (7, 60162920), (8, 52642555), (10, 42114044), (14, 30081460), (20, 21057022), (28, 15040730), (35, 12032584), (40, 10528511), (56, 7520365), (70, 6016292), (140, 3008146), (280, 1504073)]