349764520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1249159}}^1$

素因数の和:1249177

約数の個数: 32

約数和(自身を含む): 899395200

約数和(自身を除く): 549630680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1249159, 2498318, 4996636, 6245795, 8744113, 9993272, 12491590, 17488226, 24983180, 34976452, 43720565, 49966360, 69952904, 87441130, 174882260, 349764520]

約数ペア:

[(1, 349764520), (2, 174882260), (4, 87441130), (5, 69952904), (7, 49966360), (8, 43720565), (10, 34976452), (14, 24983180), (20, 17488226), (28, 12491590), (35, 9993272), (40, 8744113), (56, 6245795), (70, 4996636), (140, 2498318), (280, 1249159)]