77749480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^2\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 177996420

約数和(自身を除く): 100246940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 433, 536, 670, 866, 1340, 1732, 2165, 2680, 3464, 4330, 4489, 8660, 8978, 17320, 17956, 22445, 29011, 35912, 44890, 58022, 89780, 116044, 145055, 179560, 232088, 290110, 580220, 1160440, 1943737, 3887474, 7774948, 9718685, 15549896, 19437370, 38874740, 77749480]

約数ペア:

[(1, 77749480), (2, 38874740), (4, 19437370), (5, 15549896), (8, 9718685), (10, 7774948), (20, 3887474), (40, 1943737), (67, 1160440), (134, 580220), (268, 290110), (335, 232088), (433, 179560), (536, 145055), (670, 116044), (866, 89780), (1340, 58022), (1732, 44890), (2165, 35912), (2680, 29011), (3464, 22445), (4330, 17956), (4489, 17320), (8660, 8978)]