981680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1753}}^1$

素因数の和:1773

約数の個数: 40

約数和(自身を含む): 2609952

約数和(自身を除く): 1628272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1753, 3506, 7012, 8765, 12271, 14024, 17530, 24542, 28048, 35060, 49084, 61355, 70120, 98168, 122710, 140240, 196336, 245420, 490840, 981680]

約数ペア:

[(1, 981680), (2, 490840), (4, 245420), (5, 196336), (7, 140240), (8, 122710), (10, 98168), (14, 70120), (16, 61355), (20, 49084), (28, 35060), (35, 28048), (40, 24542), (56, 17530), (70, 14024), (80, 12271), (112, 8765), (140, 7012), (280, 3506), (560, 1753)]