291466420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2081903}}^1$

素因数の和:2081919

約数の個数: 24

約数和(自身を含む): 699519744

約数和(自身を除く): 408053324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2081903, 4163806, 8327612, 10409515, 14573321, 20819030, 29146642, 41638060, 58293284, 72866605, 145733210, 291466420]

約数ペア:

[(1, 291466420), (2, 145733210), (4, 72866605), (5, 58293284), (7, 41638060), (10, 29146642), (14, 20819030), (20, 14573321), (28, 10409515), (35, 8327612), (70, 4163806), (140, 2081903)]