67886840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242453}}^1$

素因数の和:242471

約数の個数: 32

約数和(自身を含む): 174566880

約数和(自身を除く): 106680040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242453, 484906, 969812, 1212265, 1697171, 1939624, 2424530, 3394342, 4849060, 6788684, 8485855, 9698120, 13577368, 16971710, 33943420, 67886840]

約数ペア:

[(1, 67886840), (2, 33943420), (4, 16971710), (5, 13577368), (7, 9698120), (8, 8485855), (10, 6788684), (14, 4849060), (20, 3394342), (28, 2424530), (35, 1939624), (40, 1697171), (56, 1212265), (70, 969812), (140, 484906), (280, 242453)]