399132020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{66301}}^1$

素因数の和:66360

約数の個数: 48

約数和(自身を含む): 980208768

約数和(自身を除く): 581076748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 66301, 132602, 265204, 331505, 464107, 663010, 928214, 1326020, 1856428, 2320535, 2850943, 4641070, 5701886, 9282140, 11403772, 14254715, 19956601, 28509430, 39913202, 57018860, 79826404, 99783005, 199566010, 399132020]

約数ペア:

[(1, 399132020), (2, 199566010), (4, 99783005), (5, 79826404), (7, 57018860), (10, 39913202), (14, 28509430), (20, 19956601), (28, 14254715), (35, 11403772), (43, 9282140), (70, 5701886), (86, 4641070), (140, 2850943), (172, 2320535), (215, 1856428), (301, 1326020), (430, 928214), (602, 663010), (860, 464107), (1204, 331505), (1505, 265204), (3010, 132602), (6020, 66301)]