339081680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{605503}}^1$

素因数の和:605523

約数の個数: 40

約数和(自身を含む): 900989952

約数和(自身を除く): 561908272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 605503, 1211006, 2422012, 3027515, 4238521, 4844024, 6055030, 8477042, 9688048, 12110060, 16954084, 21192605, 24220120, 33908168, 42385210, 48440240, 67816336, 84770420, 169540840, 339081680]

約数ペア:

[(1, 339081680), (2, 169540840), (4, 84770420), (5, 67816336), (7, 48440240), (8, 42385210), (10, 33908168), (14, 24220120), (16, 21192605), (20, 16954084), (28, 12110060), (35, 9688048), (40, 8477042), (56, 6055030), (70, 4844024), (80, 4238521), (112, 3027515), (140, 2422012), (280, 1211006), (560, 605503)]