520862020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55529}}^1$

素因数の和:55612

約数の個数: 48

約数和(自身を含む): 1268749440

約数和(自身を除く): 747887420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 55529, 111058, 222116, 277645, 388703, 555290, 777406, 1110580, 1554812, 1943515, 3720443, 3887030, 7440886, 7774060, 14881772, 18602215, 26043101, 37204430, 52086202, 74408860, 104172404, 130215505, 260431010, 520862020]

約数ペア:

[(1, 520862020), (2, 260431010), (4, 130215505), (5, 104172404), (7, 74408860), (10, 52086202), (14, 37204430), (20, 26043101), (28, 18602215), (35, 14881772), (67, 7774060), (70, 7440886), (134, 3887030), (140, 3720443), (268, 1943515), (335, 1554812), (469, 1110580), (670, 777406), (938, 555290), (1340, 388703), (1876, 277645), (2345, 222116), (4690, 111058), (9380, 55529)]