201715220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440823}}^1$

素因数の和:1440839

約数の個数: 24

約数和(自身を含む): 484116864

約数和(自身を除く): 282401644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440823, 2881646, 5763292, 7204115, 10085761, 14408230, 20171522, 28816460, 40343044, 50428805, 100857610, 201715220]

約数ペア:

[(1, 201715220), (2, 100857610), (4, 50428805), (5, 40343044), (7, 28816460), (10, 20171522), (14, 14408230), (20, 10085761), (28, 7204115), (35, 5763292), (70, 2881646), (140, 1440823)]